The Russian military on Sunday said armed groups had attacked a Syrian town from Turkish territory, adding it had demanded an explanation from the United States, AFP reports.
"Overnight from February 27 to 28 the Russian centre for the reconciliation of the warring parties in Syria received information about an attack from Turkish territory on the Syrian town of Tal Abyad by armed units using large-scale artillery," said the chief of the center, Lieutenant General Sergei Kuralenko.
"This was subsequently verified and confirmed through several channels including representatives of the Syrian Democratic Forces," Kuralenko was quoted as saying by Russian news agencies from the Hmeimim airbase.