BEIRUT (AP) — Another group of Syrian rebels with their families on Monday began leaving the last opposition-held neighborhood in the central city of Homs under a Russia-brokered deal with the Damascus government, state TV and the province's governor said. Elsewhere in Syria, U.S.-backed opposition forces on Sunday captured a strategically important air base from Islamic State militants in the northern province of Raqqa in a major victory since the United States airlifted the forces behind enemy lines last week. The Kurdish-led Syrian Democratic Forces announced they had captured the Tabqa air base, 45 kilometers (28 miles) west of Raqqa, the Islamic State group's de facto capital in Syria.