BREAKING: Parsons Green: Armed cops 'storm London Tube station' as passengers turned away

Armed officers have stormed a busy tube station this morning as passengers were seen being turned away.

A huge emergency response is currently on the scene outside Parsons Green underground station in west London.

An eyewitness told The Mirror how she arrived at the station to find "machine-gun police like you see in the airport" responding to an incident.

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"There appears to be a man with a gun on the tube. The tubes haven't moved, they're stuck.

"There were four vans, with armed police", she added.

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