This occurred in Haikou, China. The woman was found in a 3 meters (10ft) deep hole 60 hours after the incident. You can clearly see in the video how he trapped her.
She told the police that the man, named Guo, owed her money. He was caught by the police and jailed for murder attempt.
These guys wanted to test a new car by racing on the sand. There was a puddle on their way, but the driver decided that his jeep was not afraid of water. So he started to drive through it at high speed, but the puddle happened to be not that small. See more photos and a video of what was going on after the jump.