India, Feb. 28 -- Twenty two 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.

Officials said 33 of the 55 workers who were trapped have been rescued and efforts are on to rescue the remaining 22 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 village, the last village before the India-China border, is...