Onlookers stand behind a police cordon near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, U.S. September 17, 2016. REUTERS/Rashid Umar Abbasi

Onlookers stand behind a police cordon near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, U.S. September 17, 2016. REUTERS/Rashid Umar Abbasi

Onlookers stand behind a police cordon near the site of an explosion in the Chelsea neighborhood of Manhattan, New York, U.S. September 17, 2016. REUTERS/Rashid Umar Abbasi

September 18, 2016 2:56 AM (UTC+8)