Possível vazamento de gás provocou acidente em obra no estado de Sikkim, enquanto equipes de resgate enfrentam fumaça tóxica e baixas chances de encontrar sobreviventes

The tunnel is part of a hydropower project under construction in the Himalayan state of Sikkim

A suspected gas explosion has caused a tunnel collapse at a hydropower project in India's Sikkim state, near the Chinese border, leaving at least 11 people dead and 14 missing.