This is the shocking moment a topless woman is filmed pulling down her pants and trousers and launching herself at police officers in China.

Boozy Xiao Chen-Li, 30, and husband Sying Hseuh, 28, had just been pulled over by traffic cops after apparently enjoying too much alcohol at a meal with friends.

They were driving them home in their car when the pair, both topless, got into a spat with officers. Sying started throwing drunken punches at them while Xiao rushed to his aid.

Bare cheek: The moment Xiao Chen-Li decides to pull her trousers down and fight police in Wenzhou, China

On show: Back-up police don't know how to react when Xiao Chen-Li launches herself at them with her trousers around her ankles

Their pals leap out of the car to help as a crowd of puzzled onlookers watch on in disbelief.

The bizarre series of events are caught on camera by a stunned bystander in the city of Wenzhou in China's Zhejiang province.

Onlooker Liang Yao, 25, said: 'It was hilarious, bizarre and disturbing all at the same time. No one really seemed in control.

Bottoms up: Reports say Xiao Chen-Li had been out for a boozy meal with her husband and a group of friends when they were pulled over by police

Shocked: Stunned onlookers crowd around to watch police grapple with Xiao Chen-Li who pulled down her trousers to attack officers

'The drunks were falling all over the place, the police didn't seem to know what to do and then this woman yelling obscenities waded in, revealing all.'