Three persons were killed and 15 others injured when a passenger bus collided with a trailer here on Friday morning.

The passenger bus heading towards Lahore from Sahiwal collided with a trailer near Headquarters Military Farm Okara due to dense fog.

The collision resulted in the death of three passengers. More than 15 persons are said to have suffered injuries in the accident.

The deceased and the injured, whose identities could not be ascertained immediately, were shifted to the District Headquarters Hospital Okara for medico-legal formalities.