India, Dec. 16 -- A deadly chain collision involving multiple vehicles claimed at least four lives and left around 25 people injured on the Delhi-Agra Expressway early Tuesday morning, officials confirmed.

The crash unfolded around 4.30 am on the Agra-Noida stretch near Milestone 127 within the jurisdiction of Baldeo police station in Mathura district. Authorities said the accident involved 10 vehicles, including seven buses and three cars, and was triggered by dense fog that reduced visibility to near zero.

Police said the collision began when three cars crashed into each other, setting off a domino effect as several buses ploughed into the stalled vehicles. Some of the buses caught fire following the impact, and officials fear a few v...