KARACHI : Unidentified armed men on late Friday night opened fire outside the residence of renowned social worker Ansar Burney, in North Nazimabad area.

The incident took place at the Burney’s house situated at Block-F in North Nazimabad in the night between Friday and Saturday. Burney said he was not at home when the incident occurred. Police and rangers reached the site and also found four empty shells of 32 bore revolver. Further investigation was underway.