David Cameron is returning to Downing Street to consider the UK's response to the apparent beheading of a US journalist by an Islamic State fighter speaking with a British accent.
ITV News Deputy Political Editor Chris Ship reports:
NEW: The meeting Cameron is coming back for is not technically a COBRA - but one specifically to consider UK response to this execution
A British family have told ITV News of their devastation after discovering a close relative is fighting with the Islamic State in Iraq.
A French journalist who was held hostage with James Foley in Syria has told ITV News it was "devastating" to see his murder.