Henning, 47, a taxi driver from Eccles, Greater Manchester, had been held captive in Syria for nine months

Hervé Gourdel slain ‘because he was French’, writes Lara Marlowe

Murder of David Haines condemned by Cameron as ‘act of pure evil’

Islamic State releases video footage of kidnapped British aid worker David Haines being killed

Extremists have threatened to behead kidnapped David Haines

Sharp change in tone from US president comes as public increasingly hawkish

US president to outline response to threat of radical fighters in Iraq and Syria

‘He was no war junkie ... He merely wanted to give voice to those who had none,’ says friend

Journalist killed by Islamic State militants hid second nationality during captivity

Journalist Steven Sotloff featured in video released last month of Jim Foley being killed

Mother of writer Peter Theo Curtis says her son is staying in a hotel before return to US

Leading Republican Mike McCaul calls Isis ‘worst threat to the US since 9/11’

Iraq’s president-designate calls for greater international efforts to destroy Islamic State

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

Intelligence agencies work to identify British jihadist who murdered US journalist

British intelligence services analyse footage of militant with English accent

Islamic extremists threaten to kill second US journalist held captive

Video of James Foley ‘authentic’ US says; Britain hunts for man with British accent in footage