The former Atomic Kitten star has apparently gone to stay with her mother after George Kay was detained under the Mental Health Act by police.

KERRY KATONA 'WATCHED IN TEARS' AS FIANCE DETAINED

George, who is a former rugby player, was found ranting and raving in the street on Wednesday evening, with concerned locals calling for police assistance.

A source on the scene said that Kerry Katona stood a the door of their home crying as her fiancé was taken away by police.

George was apparently shouting that someone was going to kill him, calling at Kerry to help him.

KERRY KATONA'S FIANCE GEORGE KAY DETAINED UNDER MENTAL HEALTH ACT

'They are hitting me with the hammer,' he said, 'Why are you letting them do this?'

A neighbour who did not want to be named said that he suspected Kay had been taking drugs. 'He was behaving very strangely - actually it was quite frightening.'

However a spokesperson for the police said Kay was not tested for substance abuse.

Kay and Katona are due to marry later this year, after George proposed in Blackpool in April.