Ambulances leave after a police operation on militants on the outskirts of Dhaka, Bangladesh, July 26, 2016. REUTERS/Mohammad Ponir Hossain

Ambulances leave after a police operation on militants on the outskirts of Dhaka, Bangladesh, July 26, 2016. REUTERS/Mohammad Ponir Hossain

Ambulances leave after a police operation on militants on the outskirts of Dhaka, Bangladesh, July 26, 2016. REUTERS/Mohammad Ponir Hossain

July 27, 2016 1:01 AM (UTC+8)