A fighter from forces aligned with Libya's new unity government fires an RPG at Islamic State fighters positioned in the Algharbiyat area in Sirte, June 21, 2016. REUTERS/Stringer

A fighter from forces aligned with Libya’s new unity government fires an RPG at Islamic State fighters positioned in the Algharbiyat area in Sirte, June 21, 2016. REUTERS/Stringer

A fighter from forces aligned with Libya's new unity government fires an RPG at Islamic State fighters positioned in the Algharbiyat area in Sirte, June 21, 2016. REUTERS/Stringer

June 22, 2016 1:50 PM (UTC+8)