The Bab al-Hawa crossing is held by a rebel alliance called the Islamic Front, which have been fighting with the al Qaeda-linked Islamic State in
It was not immediately clear who planted the bombs. The attack occurred a few days after a car bomb that killed
The infighting has sparked the bloodiest internecine clashes in the history of Syria's nearly 3-year-old uprising, with more than 1,000 rebels killed, weakening the rebel campaign to topple President Bashar al-Assad.
Syrian rebel fighters in Bab al-Hawa said that at least 10 people had been killed and the border was shut on the Turkish side. A Syrian activist at Bab al-Hawa said that the two car bombs exploded within 10 minutes of each other.
The governor's office in neighboring Turkish Hatay province said the explosion was on the Syrian side of the border. Its press spokesman Cahit Dogan said there were no reports of damage or injuries on the Turkish side.