Some 400,000 people in the area have been under siege by Russian-backed Syrian government forces since 2013.
Five children and two women were among those killed in the attacks on the town of Khan Subul in central Idlib, AFPsaid.
Russian Federation has rejected claims their jets are responsible for the deaths of thousands of civilians since the country began its intervention in the Syria civil war, saying that they are are only targeting hardline Islamists.
Russian Federation first launched bombing raids in 2015 in support of Syrian President Bashar al-Assad's forces.
Twenty Killed in Kabul Attack
Among the 18 wounded were 16 officers and two civilians, deputy interior ministry spokesman Nasrat Rahimi told reporters. On Thursday, the shopkeepers took to the streets in protest, alleging that the police had killed one of them.