Turkey was an early supporter of Syria's rebellion, keeping its border open for refugees and aid, but has became wary of jihadi groups operating on its turf.
The US promised to support Iraq's fight to oust Al Qaeda fighters from occupied cities in Anbar Province – but no boots on the ground. Iran has also offered support.
Nasiruddin Haqqani served as the chief fundraiser for the Haqqani network, which has ties to the Taliban and Al Qaeda.
The US has hit Yemen with seven drone strikes in a little more than a week.
Al Qaeda threat: Despite the seriousness of the Al Qaeda threat, the apparent targeting of US interests abroad – rather than in the US proper – suggests the group's aspirations have contracted since 9/11.
President Obama recently announced that 100 US troops have been deployed to the poor West African country to run a new surveillance drone base. Is this the beginning of a wider intervention against Al Qaeda allies in the region?
The US says it has confirmed that it killed Abu Yahya al-Libi, an Al Qaeda leader who escaped US custody in 2005, in a drone strike in Pakistan, but what's in this report?
Al Qaeda in the Arabian Peninsula's second underwear bomb plot went nowhere thanks to great intelligence work. But this is a case where too much disclosure is a problem.
After a string of defeats against better armed Tuareg rebels, Mali's army staged a mutiny and overthrew the government.
Ayman al-Zawahiri, Al Qaeda's operational leader for many years, will succeed Osama bin Laden as the terror group's new chief.
The audio recording of Osama bin Laden, released posthumously, is Al Qaeda's first public statement on the regional uprisings.
Al Qaeda senior leaders reportedly chose Egyptian militant Saif al-Adel as an interim successor to Osama bin Laden, instead of expected next-in-line Ayman al-Zawahiri.
The release of more information seized from Osama bin Laden's compound revealed that he thought only another 9/11-scale attack would force the US out of the Arab world.