Civil sources told Syria's official SANA news agency on Thursday that US warplanes had targeted several houses in the town of al-Sha’afa in eastern Dayr al-Zawr.
The deadly attacks also injured a number of people, some critically, and caused massive damage to their properties, according to the sources.
Meanwhile, the so-called Syrian Observatory for Human Rights confirmed the fatal strikes, but put the death toll at 13.
The Daesh Takfiri terrorist group still holds patches of the desert on either side of the Euphrates River in the oil-rich Dayr al-Zawr Province.
The US and its allies have been bombarding what they call Daesh positions inside Syria since September 2014 without any authorization from the Damascus government or a UN mandate.
The strikes, however, have on many occasions resulted in civilian casualties and failed to fulfill their declared aim of countering terrorism.
The Syrian Foreign Ministry has on several occasions written to the UN, complaining that the US was flagrantly violating the sovereignty of Syria by targeting residential neighborhoods.