National Counter Terrorism Security Office
Officers from the Mets Counter Terrorism Command are investigating after an incident on a London tube train this morning.
Police were called at approximately 08:20hrs today (Friday, 15 September) to Parsons Green Underground Station following reports of a fire on the train.
Deputy Assistant Commissioner Neil Basu, the senior national coordinator for CT policing, has declared it a terrorist incident.
Officers from the Metropolitan Police Service and British Transport Police attended the scene, along with colleagues from London Fire Brigade and London Ambulance Service.
At present we are aware of a number of casualties.
It is too early to confirm the cause of the fire, which will be subject to the investigation that is now underway by the Mets Counter Terrorism Command.
The station remains cordoned off and are advising people to avoid the area.
Anyone who has information that would assist detectives is urged to contact the hotline 0800 789321; if its any emergency always call 999.
Anyone with images from the scene is asked to upload them to www.ukpoliceimageappeal.co.uk.
We urge the public to remain calm but alert and if you have any concerns, see or hear anything suspicious then contact police.
News updates
For latest updates on the incident you can read more on the Metropolitan Police website.
Twitter updates
You can follow @MetPoliceUK and @BTP for Twitter updates on the incident.
Protective Security Advice
Stay Safe - Run Hide, Tell:
Useful information
- businesses to help inform preparation and response plans to terrorist incidents
- sector specific advice for crowded places
- MI5
Find out more about the Action Counters Terrorism campaign.