Could Nepal's deadly flood happen again? | BBC News

China has warned there is a "high risk" that a lake which formed after the recent landslide near the Nepal-Tibet border may breach its banks, causing a second flood downstream.

The warning comes after Wednesday's deadly flash flood in the same area which has killed more than 500.

Scientists say it was triggered by the collapse of a mountain glacier into a river.

In this video...

00:49 Latest pictures
02:20 New video of glacier collapse
03:32 Where did the water come from?
04:29 Could there have been better warnings?
05:41 The rescue effort
07:32 Fears of a dammed river flooding
09:29 95-year-old survivor
10:06 Waiting for news of missing loved ones
10:54 Could there be another deadly flood?

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