The Birch glacier in Switzerland's southern Valais region collapsed yesterday, sending millions of tons of rock, ice and scree hurtling down the mountain slope and into the valley below

At around 3:30 pm local time, a huge collapse occurred on the Birch Glacier, emergency services in the Wallis region said.

At around 3:30 pm local time, a huge collapse occurred on the Birch Glacier, emergency services in the Wallis region said.