Deadly attacks took place in Kenya and Tanzania in 1998

Leader al-Zawahiri vows to carry fight to India, Burma and Bangladesh

James Foley was a generous man, committed journalist and stoic hostage. His beheading by a masked fighter is part of Islamic State’s strategy of using foreign hostages for political and military leverage

Abu Bakr al-Baghdadi, a man responsible for acts of violence that have made some in al-Qaeda baulk, has stunned observers by using the military momentum of Isis to declare himself leader of all Muslims

‘There is no army in the world that can withstand the soldiers of Islam,’ group says

Revolutionary Guards help Iraq’s army to take back Tikrit from Isis forces

Abu Bakr al-Baghdadi said to wear mask when addressing his commanders

Brutal movement that has no jihadi rivals in Iraq aims to create Islamic state

Ayman al-Zawahiri wants hostages taken to be used in prisoner exchanges

Appeal to Falluja as Sunni tribesmen fight to retake areas of nearby Ramadi

General says military, until now held in reserve, will respond to further violence

American citizens warned to defer-non essential travel due to security concerns

Locals seem unable to escape the shadow of the continuing US presence in the country

‘Extraordinary and unprecedented’ security measures taken by Yemenis

President Suleiman calls on Shia Hizbullah and Iran to help investigation

Austria to pull out its 380 troops, the largest contingent in UN force at Golan

Jihad only way to solve Palestinian issue, claims Ayman al-Zawahri via Islamist website