Rival powers race for oil in eastern Syria Government forces and U.S.-backed militia are racing to control the oil-rich province of Deir al-Zour in eastern Syria as so-called Islamic State militants continue to retreat from their former strongholds East bank of Euphrates: March of U.S.-backed SDF aims to stop expansion of Syrian army along Iraq border Raqqa: SDF battling for control of city against besieged IS garrison Deir al-Zour: Syrian army crosses to east bank of river, almost encircling IS forces inside city Syrian government Syrian Democratic Forces (SDF) So-called Islamic State (IS) Oilfields Tabqa Palmyra HOMS SYRIA RAQQA Sukhnah SYRIAN DESERT Madan DEIR AL-ZOUR Mayadin Abu Kamal Shadadi Suwar Hasakah HASAKAH Omar oilfield River Euphrates IRAQ 30km 20 miles TURKEY LEBANON SYRIA Damascus JORDAN IRAQ 200km 120 miles Sources: Associated Press, AFP, LiveUAMap, New York Times © GRAPHIC NEWS