The has also been arrested on suspicion of sexual assault.
Officers were called to the station at around 10.30pm following reports of a man being stabbed on the northbound platform. A second man was also believed to be injured after bravely stepping in to try to prevent the attack.
Anyone with information is urged to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 728 of 27 March.
[block_2]Alternatively, you can call Crimestoppers anonymously on 0800 555 111.
Senior investigating officer, Detective Inspector Paul Attwell said: “This has understandably been a worrying time for the travelling public and our officers have been working around the clock to investigate.
[block_4]“Extensive lines of enquiry have been followed and a man has now been arrested in connection with this incident. We are not looking for anyone else at this time.
“Our enhanced high-visibility patrols will continue in the area to reassure the travelling public this Bank Holiday weekend.”
