India tunnel collapse kills 22, with others trapped as toxic gases hamper rescue

Another body was recovered from the Teesta Stage-VI Hydel Project tunnel, taking the death toll to 13

Rescue teams continue coordinated efforts to locate and recover remaining victims

The death toll from a gas explosion that caused a tunnel to collapse at a hydroelectric project under construction in the remote northeastern Indian state of Sikkim has risen to at least 20 people.

Two workers had escaped in the moments after the explosion while five remained unaccounted for.