India, Aug. 25 -- Four elderly pilgrims from Punjab were killed when a Haryana Roadways bus and their pick-up vehicle collided near Keorak village of Kaithal on Monday morning, police said.

The accident occurred near a petrol station on the Kaithal-Pehowa section of National Highway-152 at 8am, the police said, adding the collision was so severe that four of the seven passengers in the pick-up vehicle died on the spot.

The three injured were rushed to the civil hospital in Kaithal from where they were referred to Post-Graduate Institute of Medical Education and Research (PGIMER) in Chandigarh.

The deceased were identified as Narender Singh, Hakikat Singh, Kaku Singh and Makhan Singh, all in their early 60s.

The victims were travelling...