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Colliers Wood tube station in south west London has been closed since about 6am following a fire alert.

It's not yet known how long the Northern Line station will be shut for but it is likely to hit Wednesday morning (September 19) rush-hour commuters.

Tickets are being accepted on TfL buses and passengers are being advised to make their way to nearby bus stops.

The closest alternative tube stations are Tooting Broadway and south Wimbledon.

TfL took to social media to warn locals, stating "London Buses are accepting London Underground ticket holders on the Northern line, either side of Collliers Wood Station, due to a fire alert at the station."

Stay tuned with transport and travel updates, including when the station reopens by following our live blog below.

TfL Engineers on site

TfL has said its engineers are on site working on getting Colliers Wood station open again.

A spokesman for TfL said:

We apologise to Northern line customers who were unable to use Colliers Wood station this morning.

It was closed due to a fire alert which set off sprinklers in a machine room.

Our engineers are on site and we will open the station as soon as possible.”

Fire brigade contacted for further information

TfL and London Fire Brigade have been approached for further information however the station appears to remain closed.

TfL still responding to fire alert

A few minutes ago TfL confirmed it is still responding to the fire alert.

Trains reportedly running smoothly

The train service is reportedly running smoothly on the Northern Line, a commuter travelling from Tooting has told getwestlondon.

We’ve approach TfL for further information regarding the closure.

Where is Colliers Wood tube station?

For those who don’t know, the Northern line station is between Tooting and Wimbledon.

Commuters advised to use buses

Commuters planning to travel from Colliers Wood tube station are being advised to use TfL buses instead.

Tickets are being accepted on the buses and there are two nearby stops close to the tube station.

First reports

The first reports of the closure emerged at around 6am this morning so, it’s suspected that the closure will remain in place during rush-hour.

Fire alert inside station

Good morning, we’ve had reports that Colliers Wood tube station is closed following a suspect fire in the building.

Stay tuned for updates throughout the morning.