At least five New Zealanders have been reported missing following a flash flood and landslide hit the Nepal-China border that killed at least 270 people.At least dead, over 1500 missing including touristsThe NZ High Commission is seeking information about Kiwis affectedNew Zealanders in Nepal should follow the advice of local authorities.Let friends and family know they are safe when able to do so.New Zealanders requiring urgent consular assistance can call the 2/4 emergency line on +64 99 20 20 20Devastating floods on the Nepal-Tibet border have killed at least 270 people, Nepali police said in an update Thursday, a day after the disaster.Follow updates in our live blog below:Are you or is someone you know affected? Email iwitness@rnz.co.nzPrime Minister Christopher Luxon described the images coming out of Nepal and China as "heartbreaking" and said New Zealand is in touch with Nepal authorities about New Zealanders who may be affected."My deep condolences to those affected and to impacted communities," he wrote in a post on X.Foreign Minister Winston Peters echoed his sentiments, saying New Zealand is "deeply concerned".Rescuers carry in their arms a flood survivor, following flash floods and a landslide disaster in Nepal.PRAKASH MATHEMAAid workers said entire settlements had been "wiped out". Surveillance footage verified by AFP shows dozens of people running for their lives as a stories-tall surge of debris slammed into the Chinese side of a border area, tossing lorries and buses aside.A resident walks along a street covered in mud following flash floods and a landslide disaster in Devighat.PRAKASH MATHEMANepali police said that they had recovered 157 bodies after "devastating floods", with officers "working to move families in flood-risk areas... to safer locations."In a post on social media, humanitarian organisation the Himalayan Trust said they were "deeply saddened" by news of the flood."The flood originated by the Tibetan border impacting the Bhote Koshi valley. This is in the Langtang region halfway between Mt Everest and Mt Annapurna."The scale of the loss is heartbreaking," they wrote."Our thoughts are with everyone affected, and with the Nepali rescue teams working in extraordinarily difficult conditions."