India, Jan. 21 -- Three people died after carbon monoxide leaked from a defunct colliery in Dhanbad, Jharkhand

The gas escaped due to an underground fire and land subsidence in the Jharia coalfield

Residents have been moved to relief camps amid fears the leak could recur

A carbon monoxide (CO) gas leak that began in December 2025 in the Kenduadih area of Dhanbad, Jharkhand, has once again exposed the long-standing dangers associated with the Jharia Coalfield.

Kenduadih lies within the Jharia Coalfield, where coal mining began in 1894 during the British era. The first underground fire was recorded in 1916 - and more than a century later, it continues to burn.

The latest incident occurred at the defunct Putki-Balihari Colliery, operate...