[Ynet] Eighteen imported muscle from the Islamic State, including an American jihadist, were killed in a Syrian air raid on a town near the hard boy group's main stronghold city of Raqqa in eastern Syria, a human rightsWhen they're defined by the state or an NGO they don't mean much...
monitoring group said on Thursday.
The Syrian Observatory for Human Rights, which has tracked violence on all sides of the three-year-old conflict, said reliable sources reported that top Islamic State leaders who happened to be in the municipal building of Gharbiya at the time of the raid were among the imported muscle killed.
The building had been used as a headquarters of the hardline group, according to the monitoring body.
Another air raid on Thursday that hit a former intelligence headquarters in the city of Abu Kamal near the border with Iraq that was used by the Islamic State also killed an undisclosed number of their members, the monitoring group said.