At least two persons were killed and four injured in indiscriminate firing by some unidentified men in a busy area in Patna in Bihar on Saturday afternoon.

A senior police officer said the assailants used AK-47s to shower bullets on a crowd outside CPWD office in Punasichak. Two persons died on the spot.

The injured were taken to a nearby hospital.

A manhunt has been launched to nab the gunmen. All exit points of the city have been sealed.