Smoke rises following an air strike as Libyan forces allied with the U.N.-backed government battle with IS fighters to capture university buildings in Sirte, Libya, August 10, 2016. REUTERS/Stringer

Smoke rises following an air strike as Libyan forces allied with the U.N.-backed government battle with IS fighters to capture university buildings in Sirte, Libya, August 10, 2016. REUTERS/Stringer

Smoke rises following an air strike as Libyan forces allied with the U.N.-backed government battle with IS fighters to capture university buildings in Sirte, Libya, August 10, 2016. REUTERS/Stringer

August 13, 2016 12:37 AM (UTC+8)