A suicide bomber, driving a booby-trapped car, blew himself up near Sad Hannoura checkpoint on Palmyra-Homs road, 75 km to the east of al-Foroqlos town, on Thursday.
A source at Homs province said the terrorist bombing claimed the lives of four civilians and injured fifteen others, some of them are in a critical condition.
The vehicle used in the terrorist bombing is a van packed with a ton and a half of explosives, the source added.