Two policemen were killed when unidentified armed motorcyclists opened fire at them here on Friday. The patrolling police signalled to stop 2 suspected motorcycles carrying 4 people in Chak Daida locality in suburbs of Kasur. The motorcyclists instead of stopping sprayed bullets at police killing ASI Sajjad Haider and a cop Farmaish and sped away. The bodies of cops martyred in the firing were shifted to hospital for post-mortem and the police have started the investigation after registering a case against unknown culprits.