UPDATE 1-London's Canary Wharf underground station reopens after dust incident
(Updates after station reopens)
LONDON, Nov 22 (Reuters) - London's Canary Wharf underground station reopened on Friday after an incident involving a faulty fan left dust on the platform, the city's transport operator said.
British transport police said the incident was not a security or police matter. (Reporting by Andy Bruce, Kevin Coombs, Costas Pitas, William Schomberg and Kate Holton, writing by Guy Faulconbridge)