Iraq crisis: ISIS 'releases more execution footage'
16 June 2014 Last updated at 18:49 BST
Northern Iraq is in turmoil with the Islamist militant group ISIS capturing another city on Monday.
Soldiers who had been defending Tal-Afar have reportedly fled, leaving their weapons behind.
More graphic footage has emerged, purporting to show Iraqi prisoners being interrogated by their militant captors before one is shot dead.
Jonathan Beale reports.