TRIPOLI, Aug. 12 (Xinhua) -- Unknown gunmen assassinated the police chief in Libya's Tripoli on Tuesday afternoon, a security source said.
Mohammed Souissi, head of the Security Directorate of Tripoli, was found dead in his car with bullets in the body, according to the source.
The incident took place in Tajura area in eastern Tripoli and the investigations has been ongoing.
The assassination was the second of its kind in less than a month in the volatile North African country where unknown gunmen earlier killed Colonel Hassan Kamuka, head of the Security Directorate of Sabratha.
Libya has witnessed a drastic escalation of violence since the 2011 turmoil which toppled its former leader Muammar Gaddafi. The recent deadly clashes between rival armed factions in major cities like Tripoli and Benghazi were feared to turn into a full-fledged civil war.