US Says It May Have Struck Syrian Troops While Targeting IS

By THE ASSOCIATED PRESS from NYT World http://ift.tt/2cIXsB3
via IFTTT The U.S. military said it may have unintentionally struck Syrian troops while carrying out a raid against the Islamic State group on Saturday, threatening an already fragile U.S. and Russian-brokered cease-fire that has largely held despite dozens of alleged violations on both sides.