At least 40 civilians were killed in strikes carried out by the US-led anti-terror coalition in Syria's Deir al-Zour province on Monday.The airstrikes targeted civilian areas in Bukamal city, which is controlled by the Islamic State (IS) group, Xinhua news agency reported.The airstrike is the latest in a string of similar operations that left scores of civilians dead in the process of targeting the IS positions.Last Thursday, at least 11 people were killed and nine others wounded by a US-led airstrike in Raqqa province.The airstrike targeted one of the villages in the northern countryside of Raqqa, the de facto capital of the IS terror group, said the report.The US-led anti-terror coalition has also been backing the Kurdish-led Syrian Democratic Forces (SDF) in their push against the IS positions in Deir al-Zour and Raqqa province.The coalition previously acknowledged the falling of civilian victims by the airstrikes on IS-held areas in Syria.