Thousands flee Syrian advance on Deraa Fighting is escalating in southern Syria as government forces push deeper into rebel-held territories in Deraa province in an offensive that the United Nations estimates has displaced up to 50,000 people Rebel control So-called Islamic State Area recently lost by rebels Syrian attacks LEBANON UNDOF ceasefire zone Kisweh Damascus Mezzeh airbase Damascus airport Marj Ruhayyil airbase ISRAEL LAJAT Basr al-Harir Suwayda JORDAN SYRIA Khalkhala airbase GOLAN HEIGHTS (Israeli- occupied) Sea of Galilee Quneitra Sanamayn Shaykh Miskin Herak Suwayda Saida airbase 10km 6 miles TURKEY SYRIA IRAQ 200km 125 miles Deraa: Government aims to seize road linking city and Jordanian border – Jordan has closed border to new refugees, calling on UN to provide security Sources: Associated Press, LiveUAMap © GRAPHIC NEWS