India, Dec. 20 -- At least seven elephants were killed and one injured after the Sairang-New Delhi Rajdhani Express rammed into a herd in Hojai district of Assam early on Saturday, officials said. The collision led to the derailment of the train's engine and five coaches, though no passengers were injured.

The accident occurred at around 2.17 am near Changjurai village. Initial reports suggested all eight elephants had died, but forest officials later confirmed that one animal survived with injuries.

Nagaon Divisional Forest Officer Suhash Kadam said heavy fog in the area was suspected to be a contributing factor. "Autopsy of the seven dead elephants is underway, treatment is being provided to the injured one by local veterinarians, and...