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Two busy Tube stations were evacuated after passengers were caught up in a "dust storm" at the height of the morning commute.

Footage shows a haze in the air at Canada Water station, in south-east London, as passengers walk up the stairs and others wait on the crowded platform.

Canary Wharf was also evacuated after a fan malfunctioned and sent dust on the platforms at both London Underground stations.

Initially, passengers feared the haze was smoke from a fire or gas.

Trains did not stop at either station for a time as the incident led to severe delays on the Jubilee Line and congestion at other stations, including London Bridge.

Were you at one of the stations when dust filled the platforms? Email webnews@mirror.co.uk.

(Image: @OSmithFFC/Twitter)

A passenger wrote on Twitter: "Just got evacuated from Canada Water station. Got really smokey in there..."

One added: "@TfL just been evacuated from Canada Water with smoke billowing from the platform can you tell us what’s going on please???"

Transport for London later said a fan had malfunctioned, sending dust into both stations.

(Image: @OSmithFFC/Twitter)

A commuter, who was forced to leave Canada Water, told Mirror Online: "I don't think it was anything serious.

"There was just some sort of dust storm inside the station, which I guess isn't normal.

"Canada Water and Canary Wharf are shut though."

(Image: @staywithzoe /Twitter)

Passengers said alarms sounded as the stations were evacuated.

One wrote: "The jubilee line is MAD this morning. & Canary Wharf & Canada Water are closer due to fire alarms."

Another added: "Another morning of absolute chaos!!"

A commuter who posted video of passengers leaving a hazy Canada Water station wrote: "Canada Water Station being evacuated - some sort of gas/smoke."

Both stations reopened at about 9.45am with delays on the Jubilee Line.

In recent weeks, the line has been hit by a reduced service due to faulty trains.