Nearly 1,400 missing, mostly tourists, after Nepal-Tibet flash flood kills at least 270

Entire villages swept away after glacial collapse triggers flood in mountainous region popular with trekkers and pilgrimsNepal-Tibet flash flood – latest updatesWhat we know so farHave you been affected by the flash floods?Rescuers are searching for nearly 1,400 people, most of them tourists, who are missing after a catastrophic flash flood hit Nepal and Tibet, thundering down valleys, obliterating entire villages and killing at least 270 people.Efforts to locate those missing – including hundreds of people from India, the US, UK, Australia and Canada – have been complicated by the destruction of dozens of bridges and almost 25 miles (40km)