Chiang Mai, Thailand’s northern city popular with tourists, has been inundated by widespread flooding as its main river overflowed its banks following heavy seasonal rainfall.

Flash floods swept through a popular elephant sanctuary in northern Thailand on Thursday, forcing the evacuation of about 100 elephants and trapping dozens of tourists, amid urgent pleas for help. Dramatic video and images from the Elephant Nature Park near the city of Chiang Mai showed dozens of elephants wading through belly-deep water to find safety on higher ground.

Chiang Mai, a city in northern Thailand that is popular with tourists, was flooded on Saturday as its main river overflowed its banks following heavy seasonal rainfall. Authorities ordered some evacuations and said they were working to pump water out of residential areas and clear obstructions from waterways and drains to help the floodwater recede faster.