Fierce fighting in Islamic State-held Syrian city

BEIRUT (AP) - U.S.-backed Syrian fighters are clashing with Islamic State militants in the heart of Raqqa, the extremists' self-styled capital, as scores of civilians flee areas controlled by the group.The Syrian Democratic Forces, aided by the U.S.-led coalition, launched their offensive to capture the city on June 6, and have since taken several areas.The Britain-based Syrian Observatory for Human Rights says Monday's fighting is concentrated in the southwestern neighborhood of Yarmouk and the