Officers were called to the station at 9.44pm following reports of an assault on the stairs.
Paramedics were also in attended and the victim, a 28-year-old man was taken to hospital in a critical condition. He sadly died this evening, Saturday 24 August, with his family by his side.
A man was arrested in connection on the morning of Friday 23 August following the attack and has subsequently been charged with Grievous Bodily Harm with intent. Following the victim’s death, detectives will make an application to amend the inditement to reflect the change in the victim’s condition.
Rakeem Miles, 23, of East Street in Southwark, was remanded in custody and will appear at Inner London Crown Court on Friday 20 September.
Senior Investigating Officer, Detective Inspector Paul Attwell said: “There is no place for violence on the rail network and I am urging anyone with information, who is yet to speak to us, to get in touch.
“We have specialist family liaison officers supporting the victim’s family and my thoughts remain with them at this incredibly difficult time.”
Anyone with information is urged to contact British Transport Police on 0800 405040 or text 61016 quoting 772 of 22 August.