The search operation involved mountain rescue teams from Cairngorm, Glenmore and Lossiemouth, search dogs, members of Cairngorm Mountain Ski Patrol and two RAF rescue helicopters.

BBC: Cairngorms avalanche: Police name second RAF victim

Police, Cairngorm mountain rescue team, Cairngorm mountain ski patrol, search and rescue dogs, RAF Lossiemouth's rescue team and three helicopters were involved in the rescue operation.

BBC: Cairngorms avalanche: Third victim named as Penzance man

Its Facebook page said mountain rescue teams and Glencoe ski patrol had been on site since the incident.

BBC: Skier missing after avalanche near Glencoe Ski Centre

The ski patrol brought him down the mountain on a toboggan, covered in a yellow blanket.

CNN: Tragedy Strikes Again

Its avalanche patrol detonates more ordnance than that of any other Colorado mountain.

FORBES: Magazine Article

American officials admit that Afghan forces don't have the ability to patrol the entire border, which cuts through the Hindu Kush mountain range, whose peaks exceed 20, 000 feet.

WSJ: Role Reversal: Pakistan Fears

He alerted the Heavenly Valley Ski Patrol, who transported the pupil to the bottom of the 10, 000ft mountain in a caged sled.

BBC: Ski girl 'not wearing helmet'