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Rescue operations scaled down at Nepal trekking trail where hundreds were caught in blizzard

In this photo provided by the Nepalese army, a Nepalese army soldier searches for avalanche victims at Thorong La pass area in Nepal, Sunday, Oct. 19, 2014. Nepalese officials closed a section of a popular Himalayan trekking route Sunday after rescuers, overwhelmed with last week's snowstorms that killed 38 hikers, had to bring to safety new climbers who set out on the same mountain trails where the blizzards struck. (AP Photo/Nepalese Army)

In this photo provided by the Nepalese army, a Nepalese army soldier searches for avalanche victims at Thorong La pass area in Nepal, Sunday, Oct. 19, 2014. Nepalese officials closed a section of a popular Himalayan trekking route Sunday after rescuers, overwhelmed with last week's snowstorms that killed 38 hikers, had to bring to safety new climbers who set out on the same mountain trails where the blizzards struck. (AP Photo/Nepalese Army)  (The Associated Press)

Officials in Nepal say rescue operations have been scaled down at the trekking trail where hundreds of hikers were caught in a blizzard last week.

Government official Yama Bahadur Chokhyal says helicopters flights were cut down on Sunday because most trekkers who were stranded have already left the area.

At least 38 people, including foreign trekkers, local guides and villagers, were killed in a series of snowstorms and avalanches in Nepal's worst hiking disaster.

Also on Sunday, the upper section of the popular Annapurna Circuit, the trekking route in northern Nepal where the hikers got caught, was closed.