A fighter from Syrian Democratic Forces (SDF) sits in a military tank in Raqqa, Syria September 16, 2017. REUTERS/ Rodi Said

MOSCOW (Reuters) – Russia warned the United States it would target areas in Syria where U.S. special forces and U.S.-backed militia were operating if its own forces came under fire from them, which it said on Thursday had already happened twice.
Russia was referring to the Syrian Democratic Forces (SDF), an alliance of Kurdish and Arab militias fighting with the U.S.-led coalition, which Moscow said had diverted from the battle for control of Raqqa to Deir al-Zor, where Russian special forces are helping the Syrian army push out Islamic State militants.
The Russian Defense Ministry said the SDF had taken up positions on the eastern banks of the Euphrates with U.S. special forces, and had twice opened fire with mortars and artillery on Syrian troops who were working alongside Russian special forces.
“A representative of the U.S. military command in Al Udeid (the U.S. operations center in Qatar) was …
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