Hussain asked government to arrest the killers as soon as possible adding that the killing of political workers is a big question mark on the performance of Punjab government.
In a statement issued by the party, unknown assailants opened fire on MQM leader when he was standing outside his restaurant on Shahab Pura road.
It was a targeted attack as he was killed after being identified by the attackers. The attack also left two of the restaurant employees Muneer and Younus injured.
