Obama confirms beheading of US aid worker by IS
Kassig's execution, shown in a video which has been authenticated by the White House, is the fifth such killing of Western hostages by the Islamic State. The latest video by IS also shows the mass beheading of at least 14 Syrian soldiers captured by the Islamic militant group, who are paraded out before the camera.
In a statement aboard Air Force One, Obama said,
“Today we offer our prayers and condolences to the parents and family of Abdul-Rahman Kassig, also known to us as Peter.”British Prime Minister David Cameron said he was horrified by the "cold-blooded murder."
"Today we grieve together, yet we also recall that the indomitable spirit of goodness and perseverance that burned so brightly in Abdul-Rahman Kassig."