We urgently want to speak to Ian McLoughlin in connection with this offence. He is described as being a white male, around 6ft tall with straight greying collar length hair.
At the time of the incident he was wearing a short sleeve grey/military green t-shirt, He is of average build.
The public are asked not to approach him, please contact the police immediately on the 999 emergency number.
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The victim, thought to be in his 40s, was attacked in Bromley at around 11:30am. His condition is still unknown.