At least 50 Syrians have been killed by the Assad regime, after warplanes bombed areas in the western countryside of Deir Ezzor.
There has not been enough information given yet on how many people have been injured in the air strikes.
According to the Syrian Observatory for Human Rights (SOHR), 31 people have lost their lives, including four children and two women, also 18 unidentified burned bodies have been found in the city of al Bokamal after the air strikes.
Many of the wounded are in the critical condition and many residents are still missing.
Furthermore, the SOHR said on Saturday that suspected Russian air strikes hit central Douma, where several markets were targeted, killing at least 23 people.
According to an officer from the Douma branch of the Syria Civil Defence Department, at least three air strikes deliberately hit residential areas in the region.
"The air strikes are targeting the centre of Douma, including a market and residential street," he said.
"Not just air strikes - rockets are being launched into the city too.''
At least six children and seven women were among the dead, reported the SOHR.
Russia, the main ally of Syrian regime leader Bashar Al Assad, started its air campaign in Syria targeting Assad’s opponents on September 30, forcing more than 120,000 Syrians to leave their homes.
US-led coalition warplanes target DAESH
While Russia continues to bomb opposition position in Syria, rather than DAESH, US-led coalition fighter jets conducted 20 air strikes on DAESH held areas in Syria and Iraq on Friday.
The coalition warplanes targeted DAESH terrorist positions in Ramadi and Sinjar towns in Iraq, the US Army said on Saturday.
Coalition jets carried out six air strikes in Sinjar and destroyed terrorist sites, weapon depots, machine guns and mortar positions, US military said in a statement and added that they also destroyed DAESH weapons cache, vehicle-borne explosives, heavy machine guns and terrorist positions by conducting four air strikes around Ramadi.
Coalition jets carried out a total of 15 air strikes in Iraq, also targeting some areas in Fallujah, Kisik, Sultan Abdullah and Tal Afar.
Afterwards in Syria, the coalition conducted five air strikes, two air strikes in al Hawl other two near Mar'a and one in Dayr az Zawr, the army said.
Additionally US has accused Russia of targeting US-trained “moderate Syrian opposition,” fighting against Assad’s regime - focusing on the west and northwest of the country.
The top United States diplomat for the Middle East, Anne Patterson, said on Wednesday, "Moscow has cynically tried to claim that its strikes are focused on terrorists, but so far, 85 to 90 percent of Syrian strikes have hit the moderate Syrian opposition and they have killed civilians in the process."
She added that Russia's primary intent was to “preserve the regime."
More than 600 people have been killed, including 186 civilians since Russia started its air campaign in Syria, according to the Britain-based Syrian Observatory for Human Rights (SOHR).