Kathmandu: Flash floods and landslides across the Himalayan border region of Nepal and China's autonomous region of Tibet have resulted in the deaths of at least 780 people, with more than 2,500 individuals still missing, including hundreds of tourists. The casualty toll is anticipated to rise. According to France24.com, Nepal's disaster agency reported on Sunday that the total number of people missing on its side of the border has increased to 2,502. In Tibet, the missing count stands at 546, with 16 confirmed dead, as reported by China's Xinhua news agency. The numbers are likely to fluctuate as authorities continue to assess the chaotic aftermath of the disaster. Nepal's disaster agency initially reported on Friday that 598 foreigners, which could include tourists and foreign workers, remain unaccounted for. Meanwhile, Chinese officials have identified 261 foreigners missing in the region. The Nepal Tourism Board stated that among the missing are 149 Nepali tourists, with the disaster agency providing a slightly lower figure of 127. The situation remains dire for many foreign nationals, with 85 US citizens reported missing by the State Department, which also confirmed that nine Americans have been evacuated. In contrast, the number of Australians unaccounted for rose to 41, as confirmed by Assistant Immigration Minister Matt Thistlethwaite. Other affected nationalities include 33 UK citizens, 29 Latvians, and 25 Canadians, according to figures from the Nepal Tourism Board. Various foreign ministries and tourism boards continue to update the numbers as more information becomes available. The disaster has also impacted several other countries, with missing persons reported from South Korea, Singapore, Germany, Russia, South Africa, Japan, New Zealand, France, Spain, Belgium, Hungary, Portugal, the Netherlands, Italy, Ireland, Kazakhstan, Belarus, Finland, Israel, Lithuania, the Philippines, Serbia, Switzerland, Sweden, and Vietnam. Additionally, China's foreign ministry indicated that nearly 100 Chinese nat ionals are missing in Nepal. Efforts to locate and rescue the missing continue, but the remoteness of the affected areas poses significant challenges. The international community remains vigilant as rescue operations proceed in the aftermath of this devastating natural disaster.