BEIRUT (Reuters) – U.S.-backed Syrian militias said Russian warplanes struck their positions in Deir al-Zor province on Monday, near a major natural gas field they seized from Islamic State in recent days.
The Syrian Democratic Forces (SDF), an alliance of Kurdish and Arab militias fighting with the U.S.-led coalition, said the attack killed one of its fighters and injured two others.
There was no immediate comment from Moscow.
Russia and the United States back separate offensives against Islamic State militants in eastern Syria, with both advancing in oil-rich Deir al-Zor bordering Iraq.
The assaults converged on Islamic State from opposite sides of the Euphrates river that bisects Deir al-Zor, Islamic State’s last major foothold in Syria.
With Russian air power and Iran-backed militias, Syrian troops closed in from the west. The SDF has advanced from the east with U.S. jets and special forces, capturing the large gas field on the …