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.
More top news
Members of the RMT union will walk out in a row over the role of conductors, causing fresh misery for hundreds of thousands of passengers.
The five year long jail sentence of a London mother held in an Iranian jail has been upheld.
Barnet police are investigating four separate anti-semitic offences in the last two days