Terrifying Video Captures ‘Day After Tomorrow’-Like Flood Swallowing Entire China-Nepal Border Checkpoint

At least 31 people were confirmed dead, and hundreds of tourists and travelers remained missing after a catastrophic flash flood tore through Nepal’s border region with Tibet.

This image helps explain what happened along the Nepal–Tibet border. According to reports, a magnitude 4.4 earthquake on the Tibetan side triggered a massive ice avalanche, which then led to the flash flooding of the Bhotekoshi River in Nepal. Around 1,000 people are missing, and… pic.twitter.com/2n46czGNoB

— Weather Monitor (@WeatherMonitors) August 26, 2026

The South China Morning Post shared horrifying security-camera footage circulating online that appeared to show people fleeing as a giant wall of water, mud, and debris crashed through a checkpoint on the China-Nepal border.

A landslide at the China-Nepal border has hit a key checkpoint with Tibet, resulting in “major casualties”, according to state media and footage shared online. pic.twitter.com/rc7teWCa2r

— South China Morning Post (@SCMPNews) August 26, 2026

SCMP cited Chinese state media outlets that said the flash flood struck the border area around 0900 local time before spilling into Gyirong County in Tibet, causing what authorities described as “major casualties and missing persons” at the border checkpoint.

More from SCMP:

In Nepal, 384 tourists and travelers were missing after the landslide, including 93 Nepalese and 291 foreigners, according to the Nepal Tourism Board.

The board said the missing foreigners included citizens from India, Australia, the United States, Britain, and the Netherlands. The nationalities of 111 individuals had yet to be confirmed.

Other dramatic footage:

🇳🇵 🇨🇳 Massive flood sweeps through northern Nepal

Massive flooding has killed several people in Nepal as Chinese state media reported “major casualties” from a mudslide at a Tibet trade hub on China’s side of the nations’ shared border. pic.twitter.com/NaCZrQ3qrP

— AFP News Agency (@AFP) August 26, 2026

#BREAKING .
devastating Flooding Nepal China 🇳🇵😭😭😭😭
Pray For Nepal 🇳🇵🇳🇵😭😭#flooding #Nepal #China pic.twitter.com/L6zqWDF3BJ

— Kiran Joshi ( Follow Back 100%) Live #Ukraine (@Kiranjoshi900) August 26, 2026

Flash floods have swept away entire villages in Nepal’s Rasuwa area, killing at least nine people. Local reports say an earthquake triggered an avalanche that caused the flooding. The Nepal Tourism Board says 291 foreign nationals, including at least 105 Indian tourists, are… pic.twitter.com/OY7Pe6FLbv

— Al Arabiya English (@AlArabiya_Eng) August 26, 2026

No, that’s not smoke — it’s floodwater engulfing Nepal

Aerial footage shows the extent of the damage following DEVASTATING flooding

Hundreds have gone missing, while many are feared dead

Video: Kantipur on X https://t.co/ZTIomUGfLz pic.twitter.com/WHxwWilwTq

— RTVisual (@RT_Visual_on_X) August 26, 2026

The US Embassy in Nepal responded to the natural disaster on X, saying it was “deeply saddened” by the loss of life caused by the flood. “We extend our sincere condolences to the families and loved ones of those who lost their lives, and our thoughts are with all those affected by this disaster.”