A group of tourists in Chiang Mai, Thailand, were caught in a sudden flash flood while taking photographs at Mae Sa Waterfall. The swift current swept several individuals off the rocks where they were standing. Details regarding the number of tourists affected and their nationalities remain unclear at this time. Rescue efforts are currently underway by local authorities to locate those swept away by the powerful surge of water. This incident serves as a stark reminder of the dangers of unpredictable weather conditions near natural attractions. Authorities are urging tourists to exercise extreme caution and heed warning signs when visiting waterfalls and rivers, particularly during the rainy season. The area around Mae Sa Waterfall is now closed to the public as a safety precaution.