A food delivery boy was deprived of cash in Wapda Town locality of the City on Thursday.
According to police, robbers looted cash from the boy and shot at him before fleeing the scene. However, he remained unhurt.
The police said an investigation into the incident has been launched with investigators and forensic teams collecting evidence from the crime scene. A magazine and bullets have been found from the scene, they added.
It is to be recalled that citizens had caught two suspected muggers who used to loot people in disguise of food delivery boys from Gulshan-e-Jamal area of Karachi.
According to police, the citizens caught the muggers as they were trying to flee after depriving a citizen of his valuables in Gulshan-e-Jamal neighbourhood.