Russian air strikes in Syria "kill dozens of civilians" - media
At least 53 civilians have been killed in Russian air strikes in the east Syrian village of Al-Shafah, the BBC reported citing a report by a UK-based Syrian Observatory for Human Rights (SOHR).
The monitoring group said 21 of those reportedly killed on Sunday morning were children, according to the BBC.
The village is in Deir al-Zour, one of the last provinces where Islamic State still holds territory.
Initially SOHR said 34 had been killed in strikes on residential buildings.
But the monitoring group's head told the AFP news agency it now believed the figure was higher.
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Earlier Russia confirmed that six long-range bombers had carried out air strikes in the area, but said they had hit militants and their strongholds.
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UN-backed peace talks are expected to resume in Geneva next week, but several previous rounds of negotiations have failed.