Rescuers in India search for workers trapped underground after glacier breaks

Rescuers in northern India are still trying to reach dozens of power plant workers who are trapped in an underground tunnel.

Possibly as a consequence of global warming, a broken Himalayan glacier triggered a massive flood, destroying a power plant and homes in its wake.

The valley, now the site of an urgent rescue operation, lies in the state of Uttarakhand in northern India, near the border with China.