Seven carriages of the Bangkok-Chiang Mai train derailed in Denchai district. Forty-one passengers, mostly foreign tourists, were taken to hospital. Eleven passengers were severely hurt. About 200 passengers were stranded, waiting for a train from Lampang to carry them to their destination, Chiang Mai. Initial inspection indicated the accident was caused by faulty track.

Meanwhile, Bangkok-Chiang Mai trains suspended service, but train service from Bangkok to Denchai is running.