DAMASCUS, Syria — Syrians poured into streets echoing with celebratory gunfire on Sunday after a stunning rebel advance reached the capital, ending the Assad family’s 50 years of iron rule but raising questions about the future of the country and the wider region.
Joyful crowds gathered in central squares in Damascus, waving the Syrian revolutionary flag in scenes that recalled the early days of the Arab Spring uprising, before a brutal crackdown and the rise of an insurgency plunged the country into a nearly 14-year civil war.
Others gleefully ransacked the presidential palace and residence after President Bashar Assad and other top officials vanished, their whereabouts unknown. Russia, a close ally, said Assad left the country after negotiations with rebel groups and had given instructions to transfer power peacefully.
Abu Mohammed al-Golani, a former al-Qaida commander who cut ties with the group years ago and says he embraces pluralism and religious tolerance, leads …