India, Dec. 3 -- A truck being driven on the wrong side of the Chandigarh-Delhi National Highway-44 hit a Punjab Roadways bus, a car and two motorcycles, killing four people at Gharaunda, 17km from Karnal, on Wednesday morning, police said.

The truck driver and his help were also seriously injured and are undergoing treatment at the civil hospital in Karnal.

The accident occurred when the truck driver, who was speeding and headed towards Delhi, crossed over to the other side of the highway and collided with an Amritsar-bound bus and overturned, crushing a car with a Delhi registration number and two motorcycles.

The police identified the motorcyclists as Sanjeev Kumar and Vishal Kumar, both residents of Gharaunda town.

The two occupan...