No one disputes the horrific outcome: Iraqi military recruits were led off their base unarmed and murdered in their hundreds, machine gunned in mass graves by the Islamic State, whose fighters boasted proudly of the killings on the Internet.
Bosnian police detained 16 people on Wednesday on charges of financing terrorist activities, recruiting and fighting on the side of radical groups in Syria and Iraq, authorities said.
The Islamic State militant group released a video on Tuesday purporting to show the beheading of a second American hostage, journalist Steven Sotloff, raising the stakes in its confrontation with Washington over U.S. air strikes in Iraq.
The United Nations agreed on Monday to send investigators to Iraq to examine crimes being committed by Islamic State militants on "an unimaginable scale", with a view to holding perpetrators to account.
