A motorbike bomb exploded in a popular market in al-Bab city, killing a man and a child and injuring ten others and causing material damage.
Another motorbike bomb exploded in Azaz city, injuring six civilians, including three children and causing heavy material damage.
Two motorbike bombs also exploded in Tal Battal village and al-Ghandoura town, injuring eight civilians.
Last Monday, two motorbike bombs exploded in Akhtarin town and Jarablus city, killing a civilian and injuring 11 other civilians.
Earlier this month, two motorbike bombs exploded in the city of al-Bab and the town of Qabasin, killing at least one civilian and injuring 14 civilians.
Several explosions have blasted the densely populated opposition-held areas in northern Syria, including areas controlled by the Turkey-backed opposition factions.