Official statements from the Metropolitan Police confirm that law enforcement arrested 325 individuals during a demonstration in London supporting Palestine Action.
UK police arrested 325 people at a protest supporting Palestine Action.

More than 300 arrested outside US embassy after supporting Palestine Action
Source: the-independent.com
Key Evidence
Londons Metropolitan Police confirmed that 325 individuals were arrested during the demonstration.
The protest took place outside the United States Embassy in Nine Elms, southwest London.
The demonstration was held in support of Palestine Action.
What the Evidence Shows
London law enforcement confirmed that hundreds of individuals faced arrest during a demonstration organized outside the United States Embassy located in Nine Elms, southwest London. Updates provided directly by the Metropolitan Police established that the total number of detained protesters reached 325 people.timesofisrael.comtimesofisrael.comIn Update Uk Police Say 325 Arrested at London Protest in Support of Banned...The Claim: UK police arrested 325 people at a protest supporting Palestine Action
The demonstration was held to show support for Palestine Action, a group that has faced legal restrictions and bans in the United Kingdom. Independent news reporting from The Independent corroborated the official figures released by law enforcement agencies regarding the scale of the arrests during the event.the-independent.comthe-independent.comMore than 300 arrested outside US embassy after supporting Palestine ActionOfficial Police Confirmation: According to updates released by London’s Metropolitan Police, 325 people were arrested during a demonstration outside the U.S. Embassy in Nine Elms, southwest London
the-independent.comthe-independent.comUs Embassy Palestine Action Arrests B3077058Official Police Confirmation: According to updates released by London’s Metropolitan Police, 325 people were arrested during a demonstration outside the U.S. Embassy in Nine Elms, southwest London Background: The protest—organized by the...
Verified Sources3
More than 300 arrested outside US embassy after supporting Palestine ActionPrimary Source Extraction
"More than 300 demonstrators have been arrested after they gathered outside the US embassy in London in support of proscribed group Palestine Action. Hundreds of people took part in the protest in Nine Elms, south-west London, on Saturday, with many holding signs reading: “I oppose genocide, I support Palestine Action.” In a post on X on Sunday, the Metropolitan Police said it had arrested 325 people, with the majority (320) detained for expressing support for a proscribed organisation under the Terrorism Act."