Riot police sprayed tear gas at hundreds of protesters who attempted to lead a march after Friday prayers from the two main opposition party mosques in Sudan's capital of Khartoum and its second city, Omdurman.
Clashes between residents of the Deido neighborhood and security officials in Cameroon's economic capital of Douala entered a sixth day Thursday as police battled to prevent the violence from spreading citywide.
Excerpt from CNNI year-end special "Defining Moments 2011." The once-cowed and silent people of Egypt find their voice.
Riot police and protesters clashed Tuesday in central Athens as a student rally was held to mark the third anniversary of the fatal shooting of a teenager by police.
Greek Culture and Tourism Minister Pavlos Yeroulanos looks to the future for Greece's tourism.
Denver District Attorney Mitch Morrissey said Thursday that three Occupy Denver activists have been charged with felonies -- including inciting a riot and second-degree assault on an officer.
Police use tear gas to flush out rioting prisoners in Oklahoma. KOCO reports.
Police have released dramatic security camera footage they say shows masked and hooded rioters firing shots at unarmed officers and a police helicopter in the English city of Birmingham.
Footage of hooded thugs firing shots at police officers and a force helicopter during this month's riots has been released.
As riots broke out across London, leaving shops and homes burning, and residents cowering in their homes, Elif Mills returned to her flat in the east of the city to find a burned out bus around the corner, and a mob of burly men in the street outside.
Londoners react to the recent riots.
After three days of rioting and looting in the streets, London's unrest is moving to the Web.
16,000 police officers will man the streets of London as tensions between groups of youths and police escalates.
The debate of violence in hockey took new meaning in Vancouver, B.C., as fans turned their frustration over losing Game 7 of the Stanley Cup finals into a riot-filled evening on the city's streets Wednesday night, complete with overturning and burning police vehicles and engaging in widespread looting.
Nineteen people were killed as the result of a weekend prison riot near Caracas, the Venezuelan Interior and Justice Minister said on Tuesday, according to the state-run AVN news agency.
For the second day in row, a peaceful protest turned violent in northern Iraq on Monday, when hundreds of Kurdish protesters clashed with riot police, security officials in Sulaimaniya said.
Another peaceful protest turned violent in northern Iraq on Sunday when hundreds of Kurdish protesters clashed with riot police, security officials in Sulaimaniya told CNN.
A peaceful protest turned violent in northern Iraq on Friday when hundreds of Kurdish protesters clashed with riot police, security officials there said.
At least two prisoners were killed and 14 people wounded Sunday when a riot erupted at a Tikrit, Iraq, prison, police officials in Tikrit said.
Hundreds of Libyans stormed a South Korean-operated construction site near the Libyan capital Tripoli on Monday, wounding 17 and causing a stand-off between police and rioters, the South Korean Foreign Ministry said.
A thick pall of chemical smoke hung over a crowd in Cairo on Friday afternoon. People ran, covering their noses and mouths to escape yet another volley of tear gas.
At least 18 prisoners were killed during a long prison riot and a second, shorter riot in northeast Brazil, officials said Tuesday.
At least 14 inmates died Friday in a prison riot in northeastern Mexico, the state news agency reported.
Police in Northern Ireland clash with Catholic protesters during an annual Protestant celebration.
Police were watching for any further violence Wednesday after a third night of rioting in Belfast, Northern Ireland, that left one officer hurt, officials said.
Fifty-five police officers were injured in clashes that marked a controversial holiday march in Northern Ireland, authorities said Tuesday.
Day-long clashes between police and rioters marked a controversial holiday march in Northern Ireland, leaving dozens of officers injured and widespread damage in Belfast.
Tens of thousands of union members and leftist political activists gathered Saturday for the first legally-sanctioned May Day celebration in Istanbul's central Taksim Square in 30 years.
Thai security forces fired on crowds of anti-government protesters just outside the capital, Bangkok, Wednesday as tensions flared in the latest round of confrontations between the two groups.
Thailand declares the business district's main thoroughfare off-limits to demonstrators. CNN's Arwa Damon reports.
A prison riot in Venezuela left eight dead and 16 injured, the country's penitentiary director told CNN en Español on Wednesday.
Iranian protesters are vowing to continue their anti-government demonstrations into Wednesday night, despite violent crackdowns and arrests.
Police were out in force at one of Jerusalem's holiest sites Monday, one day after 150 Palestinians rioted there.
Gunshots rang out in Uganda's capital Saturday in a fresh burst of unrest after loyalists of a traditional kingdom battled with government forces for a third day.
At least four people have been killed in two days of rioting in Uganda's capital after radio broadcasts encouraged listeners to violently take to the streets against the government, officials said Friday.
China's President Hu Jintao called Tuesday for a "prosperous and harmonious" Xinjiang province during his first visit to the country's western Uyghur region since last month's deadly riots, state-run media reported.
More than 200 people charged in connection with last month's deadly riots in the western Chinese city of Urumqi could be tried this week, according to reports from the state-run China Daily.
Nineteen people were killed during a two-hour prison riot in the northern Mexico state of Durango.
A look at the damage from a riot at the California Institution for Men in Chino.
More than 250 inmates were injured in a riot that erupted overnight at the California Institution for Men in Chino, a spokesman said Sunday.
One of the results of the ethnic unrest in China's far-western city of Urumqi last Sunday is how difficult it will be to heal the wounds. On both sides of town you have people who suffered and who are still suffering -- whether they are Han Chinese or Uyghurs.
CNN's Jaime Florcruz reports a lockdown in Urumqi, China, is expected as relatives of those detained demand their release.
Several hundred people staged a new protest in Urumqi on Tuesday, demanding the release of relatives detained in connection with weekend demonstrations by ethnic Uyghur residents in China's far western Xinjiang region.
Iran's supreme leader gave his blessing to the outcome of the country's presidential election Sunday despite widespread allegations of fraud, calling the results "a divine miracle," the official Islamic Republic News Agency reported.
A supporter of Mir Hossein Moussavi tells CNN many Iranians are planning to flee the country.
Police in Oakland, California, try to control riots sparked by a transit officer's shooting of an unarmed suspect.
Greece's most militant terror group has claimed responsibility for shooting and critically injuring a 21-year-old policeman, according to a long statement published Thursday in a local newspaper.
Gunmen fired automatic weapons at Greek riot police in Athens Monday, seriously injuring a policeman in an attack police said looked like the work of one of the country's leading Marxist militant groups.
Riot police and youths clash again in Greek capital. Journalist Anthee Carassava reports.
Protesters clashed with riot police and 10,000 people marched on parliament in Greece as a 15-year-old boy killed by police was buried Tuesday.
Outgoing Israeli Prime Minister Ehud Olmert opened his weekly Cabinet meeting on Sunday with sharp words for Jewish settlers who opened fire on Palestinians last week, saying their actions constituted a "pogrom."
Colombian riot police may have fired live bullets at Indian protesters, according to a videotape that CNN obtained. The footage comes despite a government pledge that security forces would not do so.
Two men were shot to death Tuesday in a clash with riot police amid a burgeoning Indian protest in southwestern Colombia.
Riot police fired tear gas Tuesday to disperse rock-throwing youths amid a nationwide general strike that brought air, rail and ferry traffic to a halt in Greece.
Violent clashes between Indian protesters and riot police continued Wednesday in southwest Colombia, increasing the casualty toll to at least two dead and about 100 injured, according to Indian spokesmen.
CNN's Karl Penhaul reports on violent clashes between Indians and police on the Pan American Highway in Colombia.
The northern Israeli town of Acre was quiet on Sunday after four days of Arab-Jewish rioting, sparked in part by unsubstantiated rumors.
Ten people were killed and more than 90 wounded Friday when a Tamil Tiger suicide bomber rammed a motorcycle into a police riot squad vehicle in Sri Lanka's capital, police and army sources said.
A suicide blast has killed at least 8 people and wounded 90 in Colombo, Sri Lanka.
Zimbabwe's opposition party called for a general strike to start Tuesday, the day after the country's High Court is due to decide whether to force publication of presidential election results, a party spokesman said Saturday.
Haitians protest outside the presidential palace over soaring food prices.
Security agents and paramilitary police in riot gear are surrounding a Harare hotel housing foreign journalists
James Miles, of The Economist, has just returned from Lhasa, Tibet. The following is a transcript of an interview he gave to CNN.
James Miles of The Economist describes ethnic violence between Tibetans and Han Chinese in Lhasa.
Australian tourist Michael Smith says he was eating lunch in a restaurant in Tibet's capital, Lhasa, on Friday when he heard an explosion and saw smoke.
An Australian tourist captures video of protest riots during a visit to Lhasa, Tibet.
Serbian prosecutors said Saturday they were hunting rioters who targeted the U.S. Embassy in Belgrade leaving one person dead while a senior Serbian minister reportedly blamed Washington for the violence triggered by Kosovo's breakaway.
Serb rioters broke into the U.S. Embassy Thursday and set fire to an office after a massive protest against Kosovo's independence that drew an estimated 150,000 people
A massive operation against suspected leaders of last year's riots is itself criticized as being suspicously opportunisitic. But for whose benefit?
Riot police are called to control angry Chinese tourists in Macau.
French suburbs stayed relatively calm Wednesday night after 1,000 riot police were deployed to quell disturbances that began when two teenagers died in a collision with a police car, French officials said.
As rioting continues, officials are dealing with the problem differently than in 2005. CNN's Jim Bittermann reports.
The suburbs north of Paris might have calmed down considerably, but the French President has vowed to take action
The Paris suburbs were again rocked by riots after a second night of lawlessness Monday caused widespread destruction and left scores of police injured, according to French authorities and media reports.
Club-wielding police fought stone-throwing rioters in the northern suburbs of Paris for a second night Monday, with at least five officers suffering injuries during the clashes, authorities said.
Malaysian riot police disperse angry crowds in Kuala Lumpor. CNN's David Ariosto reports
Riot police fired tear gas and used batons on lawyers protesting the decision by Pakistan's Election Commission to approve President Gen. Pervez Musharraf's re-election bid on Saturday
Thirteen policemen were suspended Thursday for failing to prevent rioting that left one person dead and forced a curfew in the northern Indian city that is home to the Taj Mahal, a police official said.
Hundreds of anti-Kremlin protesters crowded the streets of St. Petersburg, Russia's second largest city, Sunday and clashed with riot police a day after similar demonstrations in Moscow.
Before the start of Sunday's Class AA New York City Public School Athletic League boys' basketball championship game between Brooklyn rivals Lincoln and Boys & Girls High at Madison Square Garden there were 500 security personnel from the New York City Police Department and Madison Square Garden security units spread throughout the arena, including 33 School Safety officers lining the basketball court. Still, the heavy police presence couldn't prevent a series of ugly brawls from breaking out amongst the 13,826 fans in attendance.
Following 11 days of violence that have rocked France, Prime Minister Dominique de Villepin said Monday that the government will deploy more police and will take the unprecedented step of allowing mayors to declare curfews in French cities.
Gunmen opened fire on police and soldiers for a second night running amid a weekend of rioting on the streets of Northern Ireland that left 50 police officers injured.
Inmates from rival gangs clashed in three Guatemalan prisons Monday, leaving at least 31 prisoners dead before police restored order, the country's interior minister said.