A police officer was seen escorting a man from a tube carriage for not wearing a protective face mask.
Footage filmed on September 24 - the day the government's new COVID-19 guidelines went into action - shows a man being made to leave a tube carriage at Camden Town station for not wearing a mask.
The police officer is seen in conversation with the man - who is surrounded by other passengers wearing masks - then promptly leaves the train where they chat on the platform.
Fines of £200 can be issued for those failing to wear a face mask, in Boris Johnson's latest coronavirus rules.
