21 people were killed after a bus full of passengers crashed into a reservoir in southwestern China.br br The CCTV video, shot in the city of Anshun in Guizhou Province on July 7, shows a bus driving abruptly changing direction before crashing into a reservoir.br br According to reports, 36 passengers have been rescued. Three of them are having treatment in hospital.br br The video was provided by local media with permission.