An air strike on a Syrian refugee camp near the Turkish border is thought to have killed at least 28 people.
Footage taken at the scene shows first responders extinguishing fires which have erupted in the impacted zone.
It is not immediately clear who carried out the attack.
The strike hit a camp near Sarmada in the Idlib province of northern Syria on Thursday afternoon, according to London-based Syrian Observatory for Human Rights.
The Observatory said there were women and children among the casualites from the strike which hit the camp for internally displaced people which is in rebel-held territory.
A photo posted by another opposition group, Local Coordination Committees (LCC), on their Facebook page shows at least a dozen tents burned to the ground.
The LCC put the number of people who died at more than 30.
It comes as a 48-hour ceasefire in the city of Aleppo - around 27 miles from Sarmada - between the Syrian army and rebels was scheduled to begin on Thursday morning (Wednesday evening UK time).
The Syrian government's bombing campaign in the country's largest city has been described as "the worst" in the five-year conflict by the UN's political chief Jerffrey Feltman.
Aleppo has been overrun by Bashar al Assad's forces in recent weeks as they aim to gain control of the last bit of the city in rebel hands. 280 civilians have been killed so far.
But despite relative calm in Aleppo dozens more people have been killed in suicide bombs across the country, including 10 people in Homs - the country's third largest city.
Additional reporting by agencies
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