Three persons including two brothers were killed in firing at Baka Bridge in Jacobabad, reported 24NewsHD TV channel on Friday.
According to the police, the incident took place in the jurisdiction of Saddr police station in suburban village Sachal Talani.
A policeman was also among the deceased while two persons sustained injuries in the incident.
The accused managed to flee away from the scene.
On information, the police reached the spot and shifted the dead bodies and the injured to Civil Hospital.
The deceased were identified as police officer Mustafa Talani, his brother Ghulam Qadir Talani and their relative Amanullah Talani.
Old enmity was the cause of the incident. Further investigations were underway.
Reporter: Muhammad Ali