A man has been arrested at the Houses of Parliament by armed police.
The suspect has been arrested at around 3pm on Wednesday on suspicion of trespassing on a protected site.
Dramatic pictures emerged from the scene on social media show the suspect being pinned to the floor and surrounded by armed police in New Palace Yard.
There was a heavy police presence at the scene as the armed officers dealt with the incident outside Houses of Parliament.
It is not being treated as a terrorist attack.
An onlooker at the scene wrote on Twitter: “Just saw someone climb into Parliament. Quickly tasered and guns immediately drawn. Impressive performance from the police.”
Just saw someone climb into Parliament.
Quickly tasered and guns immediately drawn.
Impressive performance from the police. pic.twitter.com/j82egmZv7y
— Elliot Keck (@ElliotKeck) December 1, 2021
The suspect was later seen in handcuffs was escorted to a police van.
Witnesses said he was shouting about “my rights” while police put him into the back of the van.
A Met police spokesman said: “At around 3pm on Wednesday, 1 December, a man was detained and arrested at Carriage Gates inside the Palace of Westminster on suspicion of trespassing on a protected site.
“Enquiries into the circumstances continue. This is not being treated as a terrorist incident.”
A House of Commons spokesman said: “We are aware of an incident on the Parliamentary estate which is being attended by police and security staff.”
It comes on the same day Boris Johnson faced a grilling at Prime Minister’s Questions.