Their campaign of bombings and assassinations of minority Shi'ites is a bid to destabilise nuclear-armed Pakistan and install a Sunni theocracy.

Their campaign of bombings and assassinations of minority Shi'ites is a bid to destabilize nuclear-armed Pakistan and install a Sunni theocracy.

Militant groups like Lashkar-e-Jhangvi say they are fighting for a Sunni theocracy and Shi'ites should leave the country or be killed.