A statement released Sunday by the Pakistan Armed Forces said group Jamaat-ul-Ahrar was responsible for the raid on a Rangers camp in the port city.

"The assailants, after a blast at main gate of the camp, attempted to breach the perimeter security, however, their nefarious designs were decisively foiled by the vigilant and resolute response of Rangers troops," which left three attackers dead and another wounded.

The statement added that three Rangers died and four more were wounded.