Hundreds are missing and at least 22 people have died after torrential floods ⁠hit the Himalayan border areas of ⁠Nepal and in ​Tibet in China. An avalanche of ice and rock triggered massive flash floods causing widespread damage to villages and infrastructure.Officials said 384 tourists, including 291 from countries including India, the United States, the United Kingdom and Malaysia, were reported missing.If you’ve been affected by the flash floods on the Nepal-Tibet border, we’d like to hear from you.Though we’d like to hear from you, your safety and security are most important. When recording or sharing your content with us, please put your welfare and the welfare of others first. Extreme weather events can be very unpredictable and carry very real risks.Share your experiencePlease get in touch using the form below or by messaging us. Your responses, which can be anonymous, are secure as the form is encrypted and only the Guardian has access to your contributions. We will only use the data you provide us for the purpose of the feature and we will delete any personal data when we no longer require it for this purpose. For alternative ways to get in touch securely please see our tips guide.NameWhere do you live?Tell us a bit about yourself (e.g. age, background, what you do) OptionalIf you've been affected by the floods on the Tibet-Nepal border, we'd like to hear from youPlease include as much detail as possible. If you are happy to, please upload a photo of yourself here OptionalPlease note, the maximum file size is 5.7 MB.Choose filePhone number OptionalYour contact details are helpful so we can contact you for more information. They will only be seen by the Guardian.Email address Your contact details are helpful so we can contact you for more information. They will only be seen by the Guardian.You can add more information here OptionalIf you include other people's names please ask them first.By submitting your response, you are agreeing to share your details with us for this feature.