Explosion in tunnel at Indian hydropower project leaves 10 dead and 17 missing

A suspected gas explosion caused a tunnel collapse at the under-construction 500-megawatt Teesta hydroelectric project in Sikkim, India, killing at least 10 people and leaving 17 missing. Rescue efforts face challenges due to toxic gases like methane and carbon monoxide, with officials and teams from the National Hydroelectric Power Corporation and National Disaster Response Force involved in recovery operations.