Security forces said they killed Yemen Al Qaeda chief Abdullah Mehdar in a gunfight late Tuesday.
President Obama and the Pentagon have ruled out US troops in Yemen. The US will have to rely on civilian aid – which has been ineffective in Iraq and Afghanistan – to undermine Al Qaeda.
Iman University, a Sunni religious school in Yemen, educated US Taliban member John Walker Lindh and gave a teaching post to militant American preacher Anwar al-Awlaki. The school denied rumors that it hosted "underwear bomber" Umar Farouk Abdulmutallab, but concern over its militant ties are growing.
The US is ramping up military aid to Yemen, the Arab world's poorest country, in an effort to go after Al Qaeda linked militants. But too heavy a footprint, analysts warn, could prove a recruiting boon for militants.
A German couple and their three children have been located, but are still being held hostage, according a German official in Yemen. But who's holding them hostage remains a mystery.
Obama outlined his tougher security measures in the wake of the Christmas Day bombing attempt. But terrorist-related incidents in recent months raise questions about their adequacy.
At a hearing in Detroit, Umar Farouk Abdulmutallab pleaded not guilty to charges that he tried to blow up a plane on Christmas Day. US authorities will undoubtedly want to examine every step of his journey before proceeding with a trial.
In a review of the Christmas Day terrorist attempt, White House counterterrorism adviser John Brennan says that what should have been clear intelligence warnings fell through the cracks.
Afghan refugees are reflected in a small river while a man crosses it in a poor neighborhood in Rawalpindi, Pakistan, on Thursday.