Footage of a groom playing a video of his bride apparently cheating with her brother-in-law has gone viral in China.

The man had the five-minute sex tape played out on a big screen in front of family and friends to humiliate his unfaithful fiancée after discovering her affair with her pregnant sister’s husband, according to online accounts. 

The unverified footage, believed to be filmed by a guest at the nuptials, has sparked an outcry among web users. While some believe the incident to be real, others argue that the clips have been used by a video app as a marketing stunt.

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