British Aid Worker Beheaded

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  Widow of Beheaded Islamic State Hostage Brands Killers 'Monsters'

  The widow of British aid worker David Haines, who was taken hostage and beheaded by Islamic State militants, branded his killers inhuman monsters in her first television interview broadcast Sunday.

• Frenchman Seen in Islamic State Video of Beheadings

  A Frenchman is believed to have been among Islamic State jihadists appearing on a video showing the severed head of US aid worker Peter Kassig, but a British man denied earlier reports his medical student son was there too.

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  British Prime Minister David Cameron 'Horrified' by Peter Kassig's Beheading

  British Prime Minister David Cameron said on Sunday he was "horrified" after the Islamic State jihadist group claimed to have executed US aid worker Kassig, known as Abdul-Rahman after converting to Islam.

• Families of Slain UK Aid Workers Call for Unity

  Families of two British aid workers killed by the Islamic State group in Syria on Saturday urged people of all faiths to unite against the militants' "hateful acts."

• Alan Henning, Ex-Taxi Driver Anxious to Help in Syria, Killed by Islamic State

  British aid worker Alan Henning travelled to Syria to help victims of a vicious civil war but became himself a casualty of the conflict's brutality at the hands of Islamic State fighters.

• British PM Confirms 'Brutal Murder' of Alan Henning by Islamic State Group

  British Prime Minister David Cameron confirmed the "brutal murder" of aid worker Alan Henning by the Islamic State group on Friday and vowed to bring his killers to justic

• US Has Identified Masked Man in Beheading Videos

  The US believes it has identified the British-accented masked man in the videos depicting the beheadings of two American journalists and a British aid worker, the FBI director says.

• UN Security Council Blasts 'Heinous' Murder of British Aid Worker

  The UN Security Council on Sunday condemned the "heinous and cowardly murder" of British aid worker David Haines by an Islamic State militant.

• Britain Mourns Slain Hostage; Another Under Threat

  British aid worker David Haines has been beheaded - like two American journalists before him - and the Islamic State group is threatening to kill a fourth captive.

• UN Security Council Blasts 'Heinous' Murder of British Aid Worker

  The UN Security Council on Sunday condemned the "heinous and cowardly murder" of British aid worker David Haines by an Islamic State militant.

• Briton's Beheading Boosts Resolve of Anti-Islamic State Coalition

  The Islamic State's beheading of another Western hostage has strengthened the resolve of a US-led coalition ahead of a Paris conference Monday on how to jointly eliminate the jihadist group.

• UK Condemns Islamic State Murder of Aid Worker David Haines As An 'Act of Pure Evil'

  Prime Minister David Cameron vowed Sunday that Britain would do all it could to catch the killers of a British aid worker beheaded by the Islamic State, which he condemned as an "act of pure evil".

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  Berlin Condemns British Aid Worker David Haines Beheading As 'Barbaric Violence'

  Germany on Sunday condemned the execution of British aid worker David Haines by an Islamic State militant as a "heinous act of barbaric violence".

• Britain's Cameron to Chair Emergency Meeting After Hostage Killed

  Prime Minister David Cameron is to chair a meeting of the government's emergency response committee on Sunday to discuss an Islamic State (IS) video showing the beheading of British aid worker David Haines.

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  Moeen Ali Condemns ISIS, Urges British Muslims to Stay Away

  ISIS jihadists have beheaded three Westerners - a British aid worker being their latest victim. Moeen Ali condemned the brutal murders and said Islam does not permit such acts.