Fear has spread through Islamic State ranks since the sharp-shooter's killing spree, it is claimed.
A mysterious sharp-shooter has ISIS on the run after taking out three Daesh chiefs in Libya .
Three Islamic State bosses are thought to have been taken out by the same sniper according to local reports.
The terror group leaders have been assassinated in the coastal city of Sirte, home town of Muammar Gaddaffi, which ISIS took control of last year.
READ MORE
Locals in Niger say 'terrorists' killed 25 militia members
Funerals for 31 people killed in Islamabad mosque blast begin
Twenty killed, four injured in jihadists Niger airport attack
ISIS troops are said to be sweeping Sirte for the shooter know as the " Daesh Hunter'.
The first boss to be killed is a Sudanese national called Hamad Abdel Hady, nicknamed Abu Anas Al-Muhajer, according to Libya Prospect .
Al-Muhajer is thought to have been an official in the local sharia court.
Next in the firing line was Abu Mohammed Dernawi, killed on January 19 near his home in the city.
Then on January 23 Abdullah Hamad al Ansari, a commander from southern Libya, was gunned down as he left a mosque.
