35 Treated in M&S Charlton Carbon Monoxide Leak 'Major Incident'
Carbon Monoxide Leak at M&S Charlton: 35 Treated

Emergency services have declared a major incident at a Marks and Spencer store in Charlton following a suspected carbon monoxide leak that left dozens needing medical treatment.

Emergency Response at Gallions Road

The incident unfolded on the morning of Tuesday, December 16, 2025, at the M&S store located on Gallions Road. All three emergency services – police, fire, and ambulance – were swiftly dispatched to the scene. A Met Police spokesperson confirmed that the London Ambulance Service (LAS) is leading the response to the ongoing situation.

Councillor Warns Public to Avoid Area

Greenwich councillor David Gardner, who represents the Greenwich Peninsula ward, took to social media to alert residents. He stated that 35 people were being treated for suspected carbon monoxide poisoning. Councillor Gardner urged the public to steer clear of the vicinity, posting: "All three emergency services are in attendance, so best avoid the area until all clear."

Ongoing Investigation and Updates

The exact cause and source of the leak are currently under investigation by the emergency teams on site. Authorities have cordoned off the area as they work to make it safe. MyLondon has reached out to the London Ambulance Service, London Fire Brigade, and Marks and Spencer for further details and statements regarding the emergency.

This developing story highlights the serious and silent danger posed by carbon monoxide, a colourless and odourless gas. The public is advised to heed official warnings and avoid Gallions Road until the emergency services give the all-clear.