Searches continue for more suspects, after armed police arrested a man at a Heathrow Airport car park on suspicion of a “pepper spray assault”. A total of 21 people were treated, with five taken to hospital. Some have faced three-hour delays due to the disruption. Follow live below.
Sunday 7 December 2025 14:26, UK
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We’ve just heard from Aleksandra, who has contacted us after flying into Heathrow Airport today.
She said there was no disruption on the flight itself but she did face delays on leaving the airport.
“It took me more than 2 hours waiting for a taxi to get back home to Windsor,” she said.
She added: “The car park was quite chaotic at Terminal 2, with many people waiting for taxis. 
“My taxi driver wasn’t aware what was going on and was stuck in traffic for more than an hour on the slip road to Terminal 2.”
Remember, you can also tell us about your experience – the details for contacting us are at the top of this live feed.
The UK’s police and crime minister has urged people in and around the area of Heathrow Airport to follow the advice of police following this morning’s “pepper spray assault”.
Sarah Jones said her “thoughts go out to all those affected”, adding that she is being regularly updated on the investigation.
After on and off disruption all morning, it appears that queues in and around Heathrow are easing, both on the railways and the roads. 
National Highways has said the slip road off the M4 towards the Heathrow Tunnel has reopened (for a second time) due to a reduction of vehicles and pedestrians attempting to make it to terminals on foot.
The congestion around the Terminal 2 and 3 railway stations has also cleared.
National Rail’s website shows there are no current delays or disruption in the area.
Bottles of water are being handed out by Heathrow Airport staff to people waiting for buses from Terminal 3.
Passengers told the PA that they had been waiting for shuttle buses – which take people to/from the airport’s multiple car parks – for hours. 
One family said they had been waiting at the bus stop for three hours for a shuttle to the long-stay car park after their flight.
The service usually runs every 15 minutes.
The latest images from the airport show crowds waiting at bus stops, with some ambulances still present.
Queues of people have begun to form at the Elizabeth Line stop at Heathrow Terminals 2 and 3, as disruption continues after this morning’s “pepper spray assault”. 
National Rail said train lines had reopened, but some Elizabeth Line trains were unable to stop at the terminals due to overcrowding.
Passengers leaving the airport were told to travel to Terminal 4 or Terminal 5 stations instead and change to the Piccadilly Line on the London Underground.
An armed police officer has been pictured responding to this morning’s disruption at Heathrow Airport.
The image, which is believed to have been taken from inside a car in the Terminal 3 multi-storey car park, shows a number of officers travelling on foot with weapons.
One man was arrested at the scene after a number of people were sprayed with a form of pepper spray.
Police said they are continuing to search for other suspects who are believed to have been involved.
Following on from our last post, National Highways have now closed the slip road off the M4, leading to Heathrow.
It’s the second time today the road has been shut.
National Highways says:
At the request Heathrow Airport the M4 southbound spur road is closed between the M4 and J4A, this is due to the amount of vehicles and pedestrians within the tunnel.
We’ll keep you updated.
National Highways says there are delays in excess of 45 minutes on the approach to the Heathrow Airport Tunnel.
The same road, which was closed earlier due to the disruption at Terminal 3, reopened at around 9.30am, but traffic continues to build.
“Delays in excess of 45 minutes on the M4 southbound spur road between the M4 and J4A.
“Please allow extra journey time if travelling to Heathrow Airport today,” National Highways says.
Five people were taken to hospital after being sprayed by what police described as a form of pepper spray, the London Ambulance Service says.
It says it treated a total of 21 people at the airport’s multi-storey car park in Terminal 3.
Earlier, police said injuries of those affected are not believed to be life-changing or life-threatening.
The ambulance service was stood down at 10.58am, shortly after the London Fire Brigade. 
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