A driver appeared to deliberately knock over a motorcyclist after being forced to undertake on a busy road in China.

Dashcam video captured in Beijing on August 20 shows a white car knocking over the female motorcyclist, who fell down and rolled around in the middle of the road as the motorbike slid forward for several metres.

The white car ran fled and the motorcyclist called the police with the help of another motorist. The motorcyclist was injured and sent to hospital for treatment. She is now in stable condition and recovering at home.

The 57-year-old white car driver named Dai was detained for 15 days by the police, according to local reports.

The video was provided by local media with permission.

8月20日，北京市昌平区G6东辅线满井桥附近，一白色轿车当街别倒一辆摩托车，造成摩托车倒地、女驾驶员多处挫伤，后肇事车主逃离现场。23日晚，北京交警发布情况通报称，目前，肇事车主已被警方依法处以行政拘留15日的处罚。
现场视频显示，一辆白色轿车在行驶至一辆摩托车后方时，突然从摩托车左侧加速超车，同时迅速向右变道，并用车尾将摩托车别倒在地。摩托车驾驶员倒地后翻滚数圈，摩托车贴地向前滑出数米。

事发后，肇事车主驾车逃离现场。

郝先生是上述视频中摩托车驾驶员的朋友。8月23日，郝先生告诉记者，上述事件的地点为昌平区满井公交站附近，事发后，摩托车驾驶员在后车车主的帮助下报警，并自行拨打120，后被送往医院。此外，昌平交警已于昨日下午找到肇事车主和车辆，摩托车驾驶员也配合调查做了笔录。

郝先生表示，目前，受伤的摩托车驾驶员正在居家恢复，伤情稳定。她的唇部有穿透性伤害，身体多处有严重挫伤。“嘴唇处已去整形医院缝针，每隔两天要去医院消毒伤口。”

郝先生还提到，摩托车驾驶员表示：“希望治疗涉及的费用全部由肇事者赔偿。”
23日20时，北京市公安局公安交通管理局发布情况通报称，20日18时许，在昌平区G6东辅线满井桥附近，代某利（男，57岁）驾驶白色小型轿车由南向北行驶，变更车道时剐撞一同方向行驶的两轮摩托车，造成摩托车倒地、驾驶员受伤，代某利驾车逃离现场。接报案后，交管部门经工作将代某利查获。目前，该人已被警方依法处以行政拘留15日的处罚。（视频由北京台提供）