Gunmen fatally shot an American teacher in the Yemeni province of Taiz on Sunday, two defense ministry officials said.
Tribesmen demanding the release of prisoners kidnapped a female Swiss teacher in Yemen, two Yemeni Interior Ministry officials told CNN on Friday.
Al Qaeda in the Arabian Peninsula is threatening to kill the 73 Yemeni troops it is holding hostage if the government does not release al Qaeda prisoners.
Al Qaeda in the Arabian Peninsula has taken responsibility for a series of attacks on Yemeni security forces in recent days that killed more than 180 troops.
Suicide bombers targeted a Yemeni military camp southeast of the capital Saturday, killing a soldier and a civilian and wounding eight others, a top Republican Guard official said.
Al Qaeda in the Arabian Peninsula announced its responsibility for the presidential palace attack last Saturday in Yemen's southern province of Hadramout.
Embattled Yemeni President Ali Abdullah Saleh will be allowed to come to the United States for medical treatment in New York, a senior Obama administration official said Tuesday.
A car bomb exploded in Aden on Friday, killing the commander of a Yemeni counterterrorism unit and seriously injuring two children, according to a Yemeni government official who is not authorized to speak to the media.
The terrorist group al Qaeda in the Arabian Peninsula has confirmed the death of U.S.-born militant cleric Anwar al-Awlaki, calling him a martyr, according to a statement posted Sunday on jihadi internet forums.
Al Qaeda in the Arabian Peninsula is "a significant threat to the homeland" despite the death of U.S.-born cleric Anwar al-Awlaki, who was killed last week in Yemen by a U.S. drone strike, FBI Director Robert Mueller said Thursday.
A British citizen who worked for a Yemeni company has been killed by a car bomb in the volatile country, the British Foreign Office and a Yemeni senior security official said Wednesday.
U.S. Secretary of State Hillary Clinton made a surprise visit Tuesday to poverty-stricken Yemen, a key al Qaeda battleground and planning center in recent years.
Yemen is embarking on a major initiative in its war on terror and plans to build four new branches for the country's elite counterterrorism units next year, a spokesman for the country's American embassy said on Saturday.
The administration's top counterterrorism adviser said Friday that the al Qaeda group based in Yemen poses a greater threat to Americans than Osama bin Laden's group based in Pakistan.
An explosive device found in a cargo plane in England last month probably would have exploded over the Eastern Seaboard of the United States if it had not been discovered, Scotland Yard said Wednesday.
Investigators search for clues in the Yemen cargo bomb plot. CNN's Jeanne Meserve reports.
In a rare public admission, Yemen's Foreign Minister told CNN that U.S. drones are aiding his country in its campaign against al Qaeda.
The United States received intelligence from Saudi Arabia early last month about a possible terror plot involving the use of at least one airplane, a U.S. counterterrorism official told CNN on Saturday.
No evidence has surfaced of an explosion aboard a UPS cargo plane that crashed in Dubai last September, officials in the United Arab Emirates said Saturday.
The Yemen-based arm of the al Qaeda terrorist network claimed responsibility Friday for last week's plot to send explosive devices on cargo planes bound for the United States.
Seven people were killed and 32 suspected militants were arrested in Yemen during a military offensive touted by the government as part of an intensified hunt for terrorists, the state-run news agency reported Sunday, citing security sources.
Yemen has detained a dozen Americans among a larger group of foreign students reportedly being held for security reasons, a State Department spokesman said Monday.
Security forces have arrested 11 al Qaeda suspects in the Yemeni capital, the nation's official news agency reported Thursday.
Yemen's government said Sunday it will accept a truce offer only if the rebels operating in the country's north comply with six previously laid-out conditions.
CNN's Paula Newton previews the London Conference on Yemen, highlighting the limits of trying to fight extremism there.
President Obama cites problems that contributed to the botched Christmas terror attack.
The government had sufficient information to have potentially disrupted an al Qaeda plot to bomb an airliner on Christmas Day, but failed to identify Umar Farouk AbdulMutallab as a potential bomber, a White House review of the incident shows.
U.S. intelligence employees have received a letter from their boss mandating procedural changes intended to prevent future terrorist plots from succeeding.
The U.S. Embassy in Yemen closed Sunday, prompted by ongoing threats by Al-Qaeda in the Arabian Peninsula to attack American interests in Yemen, a U.S. news release said.
Authorities in Yemen questioned people at a mosque and a school in the capital of Sanaa because the facilities were attended by attempted bombing suspect Umar Farouk AbdulMutallab, the spokesman for Yemen's Embassy to the United States said Tuesday.
Yemeni spokesman Mohammed Albasha gives his first on-camera interview to CNN.
CNN's Martin Savidge reports on another incident aboard Northwest Flight 253 on Sunday.
When President Obama spoke out on the terrorism scare in Detroit, Michigan, he entered a debate that had already begun over his administration's new approach to combating terrorism.
Saudi Arabia's Interior Ministry has identified the suicide bomber who attempted to assassinate the country's assistant interior minister last Thursday and released details of a phone conversation between the two men prior to the attack.