It's not the first time images of this sort have made the rounds in China, where "mistress" stories crop up regularly.
The local council said they had been forced to act after being flooded with complaints particularly from families who said they could not go there with their children because of the large number of naked men And as these pictures show officials in Sanya, a resort town on the tropical island of Hainan, have now descended on the Dadonghai beach with orders to clothe dozens of naked sun worshippers.
It's not the first time images of several women attacking another woman — accused of being the "mistress" of an unfaithful husband — have made the rounds on Chinese social media.
From the writing on the arch that can be seen in the background, the scene appears to have taken place in Bozhou, a city in the eastern province of Anhui.
Die gesammelten Vokabeln werden unter "Vokabelliste" angezeigt.
Indeed, mistresses seem to remain the object of intense criticism in some quarters.
Some of the attackers film her with their smartphones as spectators look on impassively.
The officials ordered naked bathers to put their trunks back on - the beach has been known as China's top nudist destination for more than a decade despite never having been officially recognised by the government.