Thousands of people have fled villages and towns along a mountain river in in north-west Nepal after it was blocked by a landslide that could burst and cause flash floods.

The landslide created a dam and a lake 1.2 miles long on the Kaligandaki River and people living on the banks were moved to higher ground for fear the river could burst and send flash floods through the area north of Beni Bazaar, about 125 miles north west of the capital Kathmandu.

Soldiers and police were sent to monitor the river and help and warn villagers.

Two powerful earthquakes devastated Nepal on April 25 and May 12, killing nearly 8,700 people and injuring 16,800 others. The quakes and aftershocks also triggered many landslides in the Himalayan nation.

In 2002, dozens of people were killed when an avalanche held back the nearby Seti River, which then burst through the snow blockage and sent water gushing through villages along its banks.

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