GUWAHATI, India — A suspected gas explosion on Monday triggered a collapse inside a tunnel that was under construction at a hydropower project in I...

Incident occurred on Monday in Sikkim, where workers were constructing a tunnel for a state-run hydropower project; official says around 25-27 people trapped.

At least nine people have died and 15 others remained trapped after a tunnel collapsed at an under-construction hydroelectric project in India's remote northeast, officials said…

Ten people died and twenty-five personnel were trapped after a methane gas burst. The explosion occurred inside an under-construction tunnel at the Teesta Stage VI Hydroelectric…