India, Feb. 28 -- At least 25 construction workers are missing after a massive avalanche struck a Border Roads Organisation (BRO) camp in Uttarakhand's Chamoli district on Friday morning, burying them under snow and debris.

Chamoli district disaster management officer Nand Kishore Joshi said 32 of the 57 workers who were trapped have been rescued and efforts are on to rescue the remaining 25 workers.

Uttarakhand chief minister Pushar Singh Dhami said the workers were being rescued but the bad weather had slowed down the operations. "Visibility is low and choppers can't fly into the area.. The area is receiving heavy snowfall and rain, which is hampering the rescue efforts," he said.

The avalanche occurred near a highway along Mana vill...