CHANDIGARH, March 10 -- Four persons were killed while 11 others were injured after a bus rammed into a brick-laden tractor-trolley in Punjab's Jalandhar district on Monday, police said.

The accident took place near the Kala Bakra area in Jalandhar when the bus was going to Jammu from Rajasthan, police said.

When the tractor-trolley came on the Jalandhar-Pathankot highway from a village road, the bus rammed into it, said police.

Police said the bus driver and a passenger were killed on the spot while two passengers died in the hospital.

The injured were rushed to a nearby hospital, said police.

Meanwhile, Punjab Chief Minister Bhagwant Mann expressed grief over the death of passengers in the accident.

"We extend our heartfelt condol...