Another 45 civilians were wounded in the strikes across the opposition-held Idlib region, according to the Syrian Observatory for Human Rights.
Opposition factions seized Hamameyat village and a hilltop in Hama province amid deadly clashes, war monitor SOHR says.
Following attacks, Ankara has retaliated with a measured response and warned the regime of severe 'punishment' if its forces are targeted again in future.
War monitor said that Syrian regime forces and insurgents fought fierce battles that left dozens dead in the country's northwest, as the regime tried to regain control of two villages they lost earlier this month.
White Helmets sources say the dead include three children. More than 470 civilians have perished in regime and Russian bombardment in Idlib de-escalation zone despite a deal against acts of aggression in northwestern opposition bastion.
Turkish Defence Ministry says the Syrian regime attacked an observation point which was established after an agreement between Turkey and Russia to protect civilians from attacks in Syria.
Russian news agencies quoted military sources on Wednesday as saying Ankara and Kremlin agreed on a ceasefire in the de-escalation zone of the governorate of Idlib in north-western Syria.
The Kremlin also rebuffed criticism from US President Donald Trump of Russian and Syrian military action in Idlib, saying it was needed to shut down rebel attacks being launched from there.
Implementation of a 2012 roadmap to UN-supervised elections in Syria has been discussed by US and Russian diplomats, says Ambassador James Jeffrey amid ongoing attacks in north-west Syria.
Syrian regime shelling and air raids kill 14 more civilians, rescue services and war monitors say. The regime attacks have killed dozens of people, including children, in the country's north-west in the last few days.
A team of TRT World journalists visited several districts in the contested region and interviewed people affected by the brutal aerial assaults carried out by the regime and Russia.
The fate of Idlib ought to be the major concern of the free world, yet all it garners, at best, is a few words of concern and condemnation.
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