Lahore, Mar. 4 : At least three persons were killed and several injured on Tuesday after four loud explosions occured at the Pakistan Navy War College near Mall Road Underpass in Lahore.

According to naval sources, the blasts were occurred in a truck parked in the college when students were attending their classes.

Ambulances reached to the place after the incident and were transporting injured to city hospitals.

"The cause of the explosions is not clear yet. There is a lot of fire and a lot of smoke coming out of the Naval War College building," Lahore's Police Chief Malik Mohammad Iqbal said.

Further details are awaited. (ANI)