Conflicting reports have emerged following a car explosion near Bani Walid town of Libya.
Some reports said the car was exploded because of a landmine.
While other reports indicated it was a drone strike that targeted ISIS fugitive Abdul-Ati Eshtewi who was among the four.
The three others were identified as Matouq Milad, Mohammed abu Sittah and Salim Daroue.
There is no official statement from state authorities.