"U.S. believes Islamic State likely responsible for Manbij blast: sources "

https://www.reuters.com/article/us-mideast-crisis-syria-blast/u-s-believes-islamic-state-likely-responsible-for-manbij-blast-sources-idUSKCN1PB2RF?feedType=RSS&feedName=worldNews&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+Reuters%2FworldNews+%28Reuters+World+News%29