DSP Muhammad Sarwar Awan was subjected to torture by lawyers outside the Awan-e-Adl in Lahore, police sources said on Saturday.
Unidentified lawyers hit the DSP with a chair when he refrained from firing shots into the air, the sources said, adding that the victim was shifted to hospital in DSP Police Lines, police sources.
DSP Mohammad Sarwar Awan is posted as Divisional Officer Dolphin Squad City Division.
The DSP was on duty to ensure a peaceful election of the Lahore Bar Election.
In 2008, DSP Sarwar Awan sustained injuries in a shootout with criminals.