Dubai: A jilted woman allegedly took revenge by wrecking her former boyfriend's apartment and threatening him and his new girlfriend with a knife when she caught him having sex with his new girlfriend.

The Brazilian ex-girlfriend (known as P.) allegedly became outraged when she caught her ex-boyfriend from New Zealand (identified as D.) in bed with his new British girlfriend (also identified as D.) on the same day he broke up with her.

Police said the Brazilian girl went to her former boyfriend's home early in the morning and found him with his new girlfriend in bed. Police said P. flew into a rage and wrecked the house with a kitchen knife.

She then allegedly attempted to attack the ex-boyfriend and his new girlfriend with the knife.

The man called the police who arrested everyone.

Locked up

Police said the trio are now detained in Bur Dubai police station. The two girls are locked up in the same cell at the police station. The British girl told police that she was terrified and tried to hide inside the bathroom when the 24 year-old ex-girlfriend attacked her.

Police said the case has been transferred to the public prosecutor for further investigation.