300 evacuated from underground station after gas leak

Around 300 people were evacuated from a Tube station after a gas leak was reported.

Firefighters were called to a report of a chemical substance leaking from a backpack at North Greenwich Underground station, near The O2.

About 300 people escaped from the station before firefighters arrived.

Four people were treated at the scene by London Ambulance Service crews, while the fire brigade worked to isolate the leak and make the scene safe.

The brigade was called at around 5.50pm and the incident was over for firefighters by around 8.30pm.

Crews from East Greenwich, Poplar, Bethnal Green and Bexley fire stations attended the scene.

Pictured top: North Greenwich Underground station (Picture: Google Street View)