One group staged an attack near a Turkish observation post but no damage to was reported, Turkey's Defence Ministry said.
Russian President Vladimir Putin made his first trip to Damascus in Syria's nine-year-old war in January this year.
Several troops were reported injured by the Russian defence ministry after a joint military patrol was hit by an improvised explosive device near Ariha town of Idlib.
Russian FM says Putin, Erdogan and Rouhani to hold videoconference on Syria, followed by a face-to-face meeting in Tehran.
Experts say Syria's economic woes could weaken Bashar al Assad's military stranglehold over the country.
Abdulrazak Dip, who had lost his eyesight due to shelling in Idlib, Syria, pleaded with Turkish authorities to allow him travel to Turkey and over the border that has been closed due to the coronavirus.
Syrian regime leader Bashar al Assad removed his prime minister of four years, as the country grapples with a stinging economic crisis and renewed protests. He is replaced by Water Resources Minister Hussein Arnous for an interim period.
The interim government and local councils announced the decision amid the Syrian Pound’s freefall as economic conditions worsened.
President Recep Tayyip Erdogan gathers cabinet meeting, first time after weeks of break due to Covid-19, to discuss Syria's Idlib, conflict in Libya, and pandemic measures.
More than 20 air strikes targeted two mountains and three villages in the Jabal al Zawiya region and two other villages in the countryside of the Hama province, a war monitor and a civil defence group said.
Turkey's purchase of Russian S-400 surface to air defence missile systems has sparked criticism from NATO ally US.
Air strikes hit area where boundaries of Hama, Idlib, and Latakia provinces meet, triggering a fresh wave of displacement, Syrian Observatory for Human Rights says.
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