RT News - January 17, 2016 (17:00 MSK)

Islamic State is thought to have massacred up to 300 people, in a barbaric raid on the Syrian city of Deir Ez-zor. A new chapter for Iran - as international sanctions are lifted, after the UN's atomic watchdog confirms Tehran's compliance with the terms of a nuclear deal. Фmong the stories that dominated the week. A suicide bomber struck a popular tourist area in the Turkish city of Istanbul on Tuesday. All ten victims were foreigners. And, police in Sweden come in for criticism for keeping quiet about alleged sexual attacks against women by migrants.