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London Canary Wharf underground station closed due to dust and faulty fan

LONDON, Nov 22 (Reuters) - London's Canary Wharf and Canada Water underground train stations were closed on Friday when a faulty fan left dust on the platforms, the city's transport operator said.

British transport police said the incident was not a security or police matter.

"It appears a fan in the tunnel has malfunctioned, leading to excess dust in the platform," a spokesman for Transport for London said. (Reporting by Andy Bruce, Kevin Coombs, Costas Pitas, William Schomberg and Kate Holton, writing by Guy Faulconbridge)