Initial reports have not yet stated who the men on the motorbike were or what their intention was for firing.
As they drove through Liaquat Colony, they opened fire in broad daylight and two persons died immediately.
Security officials attempted to chase the perpetrators but were unsuccessful as they rode away.
Further fear has been instilled in locals following the suicide attack outside Imambargah Aun Muhammad Rizvi in Rawalpindi Friday night which killed five and left 18 others wounded.
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