Detectives investigating the rape of a woman near St Thomas' Hospital in the early hours of Tuesday are appealing for assistance in identifying a man shown in CCTV footage.
The woman is being supported by specialist officers.
DS Paul Barham is investigating the incident. He said: "This is clearly a horrific incident and we are doing all we can to support the woman and find who is responsible.
"The man in the CCTV is wearing distinctive clothing so I appeal to anyone who recognises these items of clothing or believes they know who the man is to contact us straightaway."
No arrests have been made; enquiries continue.
Anyone with information is asked to contact police on 101 quoting reference CAD 379/12NOV.
You can also contact the independent charity Crimestoppers anonymously on 0800 555 111.
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