He said as Syrian government warplane has crashed in a marketplace in the north-western town of Ariha, 35 civilians died and 120 were injured.
6 buildings were reportedly destroyed in the crash. It said people were working to find survivors under the rubble and remove bodies.
“It was flying at a low altitude when it had a mechanical failure,” Observatory chief Rami Abdel Rahman said. Ariha was one of the last government strongholds in Idlib when it was captured by Islamist rebels in May.