Fighters loyal to Libya's internationally recognised government celebrate as they come close to seizing the centre of Libya's eastern coastal city of Benghazi on February 23, 2016, after a string of gains against Islamist militias including the Islamic State group. "We entered most of the sectors controlled by terrorist groups in Lithi" in central Benghazi, a source close to the pro-government troops told AFP. / AFP / ABDULLAH DOMA