Relief officials at the United Nations expressed growing alarm on Monday about a deepening humanitarian disaster in Syria’s Yarmouk Palestinian refugee camp, which was invaded last week by Islamic State militants and their allies. Roughly 18,000 people, including 3,500 children, have been trapped by fighting in Yarmouk, which is on the southern outskirts of the capital, Damascus, and is less than 10 miles from the presidential palace. Pierre Krähenbühl, commissioner general of the United Nations Relief and Works Agency, which administers aid to Palestinian refugees in the Middle East, said the residents are slowly starving. He gave an emergency briefing on the crisis Monday to Secretary-General Ban Ki-moon and the Security Council via video link from […]