Video | Video: The dramatic moment Xinjiang chop attackers are brought down by mahjong players

Watch: Assailants of gaming hall caught by security cameras

Three axe-wielding attackers at a Xinjiang gaming hall calmly stood watching their victims play mahjong moments before hacking them at random, security footage showed.

Two assailants were seen standing over one of the mahjong tables at a chess hall as dozens of people in the room went about their business, in footage aired by state broadcaster CCTV.

Suddenly, one of the men brings out an axe and hits the neck or shoulder of a man in front of him. The other attacker, in a white T-shirt, pulls an axe from his belt and hits a woman at the next table.

The third assailant was not captured by the security camera.

Chaos ensues as the players use chairs to shield themselves and hit the attackers, while others try to tackle the attackers who are swinging their axes wildly.