At least three people were gunned down while another sustained injuries when assailants opened fire at Pak Colony area of Karachi on Saturday.
SHO Purana Golimar Iran Afridi said the exchange of fire between two gang war groups while left three people dead while another injured.
Following the incident, police and rescue workers arrived at the site and shifted the injured and bodies to the nearest hospital.
Police cordoned off the area and started investigation of the incident.