Is a secret sniper killing off Isil's high command in Libya?

Mystery gunman credited with shooting three of the terror group's leaders in their new "Caliphate" in Colonel Gaddafi's home city of Sirte

ISIL millitants with the trademark Jihadist flag.

Colin Freeman
© Telegraph Media Group Limited

As befits all the best practitioners of his shadowy trade, no-one is quite sure whether he is one man or many, or even simply an urban legend.

But after a string of assassinations of its local henchmen, the Islamic State's new "Caliphate" in the Libyan city of Sirte is abuzz with talk that an anti-Isil sniper is at work.