City police on Saturday claimed to have arrested the gunman who killed two salesmen at a shop in the Liaqatabad police area, one day ago.  A police officer told reporters that the gunmen fled from the crime scene following the deadly shooting. However, the police teams raided in different parts of the metropolis and arrested the shooter within 24 hours of the happening, the official said.  According to police, two people were killed and another wounded critically when a gunman opened fire straight on them. Sajjal and Bashir expired on the spot while the third victim was rushed to a hospital with multiple injuries. Police sources said that shooting took place over some financial dispute. The police were investigating the double murder incident. –Staff Reporter