MOSCOW, October 13. /TASS/. Terrorist groups have shelled a school in Syria’s Aleppo, causing casualties, the Rossiya-24 television news channel reports with reference to its own correspondent.

"According to our military correspondent Yevgeny Poddubny, a school in Syria’s Aleppo has come under fire from positions held by terrorists. Some students were killed or injured," the TV channel said.

The UN Office for the Coordination of Humanitarian Affairs on Thursday morning said that 400 people were killed and nearly 1,400 others injured in the eastern part of the city of Aleppo from September 23 through October 8.