A father was caught cheating with his son's young girlfriend, leading to a street fight between the whole family in China.

The 50-year-old parent's affair resulted in a chaotic brawl when his son and wife confronted them on the street in Guangzhou, Guangdong province.

Footage shows the father trying to take his wife's hands off the girlfriend's hair before slapping the woman on her face.

The furious son protected his mother and punched his father, who continued to shield the young woman from the commotion,

Police arrived and tried to separate them - the two men on the ground and the mother pulling hair with her son's girlfriend.

The commotion quickly attracted onlookers on the street, who reported the incident to the police, who controlled the situation.