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A deadly flash flood on the Nepal-Tibet border has killed at least 150 people, with hundreds still missing.

The missing include more than 100 from India, 54 from the US, and 33 from the UK, as well as more than 100 from Nepal itself, according to Nepal's tourist board.

The BBC Nepali's Shreejana Shrestha is in a hospital in Kathmandu, where some survivors are being flown in by helicopter for treatment.

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