SAN'A, Yemen (AP) -– The U.S. Embassy in Yemen says it has closed in response to ongoing al-Qaeda threats to attack American interests in the Arabian Peninsula country.

A statement posted on Sunday on the embassy Web site said it had closed but provided no further details.
The embassy sent a warden notice on Thursday to American citizens in Yemen urging them to be vigilant and practice security awareness.
An embassy spokesman reached on the phone would not comment if there was a specific threat.
The confrontation with al-Qaeda's branch in Yemen has gained new urgency after the failed attempt on Christmas Day to bomb a U.S. airliner headed to Detroit.
Recent attacks on Al-Qaeda positions in Yemen, including cruise missile strikes, were led by the United States according to a CBS television report Saturday.
The channel quoted Sebastian Gorka, a “U.S. special operations expert who trains Yemeni officers,” as saying the United States had led the recent ground and air assaults.
“That was very much something executed by the United States, but with heavy support by the Yemeni government,” Gorka said.
“It was cruise missile strikes in combination with military units on the ground.”
The report comes after President Barack Obama earlier blamed Al-Qaeda in the Arabian Peninsula for arming and training a young Nigerian man who tried to blow up a U.S. airliner on Christmas Day.
The U.S. leader also vowed to hit back at those behind the attack, as his administration faces criticism for failing to prevent the December 25 attack.
“Training camps have been struck; leaders eliminated; plots disrupted,” he said in a weekly radio address. “And all those involved in the attempted act of terrorism on Christmas must know: you too will be held to account.”
Yemeni forces launched raids on suspected Al-Qaeda targets on December 17 and 24, killing more than 60 Islamist resistance fighters.
Several others were also wounded in clashes this week in a western province of the impoverished Arabian peninsula state which lies north of Somalia across the Gulf of Aden.
On Saturday security sources said Yemeni army reinforcements had been sent to the eastern provinces of Abyan, Bayada and Shawba, where Al-Qaeda militants have hideouts.
“These measures are part of operations to hunt down elements of Al-Qaeda, prevent any attempt of a response after the raids, and tighten the noose around extremists,” one of the sources said.

CAPTION:
FILE - A Yemeni soldier stands guard in front of the main entrance of the US Embassy while two workers repair the gate in the background, in the capital San'a, Yemen, in this Sept. 18, 2008 file photo. A statement posted on Sunday Jan. 3, 2009 on the embassy Web site said it had closed but provided no further details. (AP Photo/Nasser Nasser, File