Alexanda Kotey and El Shafee Elsheikh detained by Syrian Kurdish fighters

And the Tallis Scholars delivered a masterful programme

British citizen Mohammed Emwazi gained notoriety for filmed execution of hostages

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In impassioned plea, Nicolas Hénin says bombs will push local people into hands of Isis

Killing of the British citizen called a ‘barbaric murderer’ has been broadly welcomed

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Death of UK terrorist believed responsible for gruesome beheadings not yet confirmed

Spokesman for Sotloff family says they want him ‘sentenced and sent prison’

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Video carries threat to kill captives unless $200m ransom is paid within 72 hours

David Cameron pledges to use ‘all the assets we have’ to free hostages and defeat insurgents

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

Alan Henning’s wife had called for the militant group to ‘open their hearts and minds’

House of Commons recalled to vote on involvement in effort to combat militants in Iraq

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

British man Alan Henning (47) was kidnapped in Syria while serving as aid worker