A police patrol officer in Chengdu, Sichuan in China found an illegal taxi and was trying to arrest the driver when the suspect drives away leaving the police officer to hang on to the bonnet of the vehicle for 5km reaching up to 150km/h, until eventually a backup group of police stop the car. The police fell unconscious after the car was stopped and was sent to the hospital.
http://www.bbc.co.uk/news/world-asia-china-16099658
http://www.bbc.co.uk/news/world-asia-china-16099658