A man has been arrested over an alleged sexual assault on Atomic Kitten singer Natasha Hamilton on a train.
The chart-topping singer, 36, tweeted on 10 October that a man pushed his genitals up against her on a late night train from London Bridge to Elmstead Woods.
British Transport Police (BTP) confirmed on Friday that a 46-year-old man from Wood Green was arrested on suspicion of sexual assault.
Hamilton said she thought a bag was pressed up against her "until I felt him heavy breathing down my neck".
She managed to take a picture of the man which she posted on Twitter in the hope her 163,000 followers would help to find him.
"Honesty I am shaking a feel so violated now! But more than anything I am so angry!! [sic]," she said.
She said she also called BTP after leaving the train.
Police said the man has been released under police investigation and they are making further enquiries.
Social media users criticised Hamilton for posting a picture of the man, saying she should leave the police to handle her complaint.
However, others said posting his picture would help prevent others from doing the same.
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Women who said they had been victims of sexual assault on trains opened up about their experiences, with many congratulating Hamilton for speaking out as they had frozen in shock when it happened to them.