Islamic State says killed 50 Syrian rebels in Turkey border bus blast

BEIRUT (Reuters) - Islamic State said on Monday they were responsible for a suicide bombing on a bus on Sunday which killed fighters from western-backed Syrian rebel groups near the Atmeh border crossing with Turkey. In a statement on one of its Telegram channels, the hard-line militant group said it killed 50 rebels travelling on the bus, from the Failaq al-sham and the al-Zinki groups. It said the rebels were travelling to fight against Islamic State in northern Aleppo province. (Reporting by Lisa Barrington; Editing by Toby Chopra)