TEHRAN (Tasnim) - A car bomb exploded on the Syrian side of the main Bab al-Hawa crossing with Turkey killing at least seven and injuring many more, according to Turkish news agency Dogan.
Pictures taken by activists on the scene showed several burnt and mangled cars and an engine block that apparently flew to the side of the road from the vehicle.
"The objective is to destabilise security at the crossing. The casualties are all civilians, from the people queuing to cross," Omar Aref, one of the activists, said.
Aref also told Reuters that the casualties were all civilians.
Al Jazeera's Anita McNaught, reporting from the Turkish city of Antakya, said Tuesday's blast was indicative of wider tensions at the border.
"The border is getting worse every month," she said.
In the deadliest incident, a bomb exploded on February 11 in the area that lies between the Turkish and Syrian control posts and killed 13 people, among them three Turks.
"This is indicative of a worsening situation right across the border," our correspondent said.
By Tasnim News Agency
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