A young teenager in south London has been charged with terrorism offenses related to an alleged plan to attack two mosques in the Sutton area. The case has raised significant concerns among the local community.

The Metropolitan Police have charged a 14-year-old boy with terrorism offenses in connection with an alleged plot to target two mosques in Sutton, south London. The investigation, led by Counter Terrorism Policing London has revealed disturbing details about the case, which has sent shockwaves through the local community.
The teenager, who cannot be named for legal reasons, was initially arrested on July 9, 2026 on suspicion of criminal damage to a vehicle. However, during a search of his address, officers discovered a number of documents of concern, leading to his subsequent arrest on terrorism-related charges.
The boy has been charged with engaging in conduct in preparation for acts of terrorism on or before July 9, 2026 as well as racially aggravated criminal damage to a car window.
The Alleged Plot and Initial Arrest
The terrorism charge relates to an alleged plan to target two mosques in the Sutton area.
The investigation began when the boy was arrested for damaging a car window on June 20, 2026. Officers conducting a search at his address found documents that raised concerns about his intentions. This led to his arrest under section 5 of the Terrorism Act 2006 for the preparation of terrorist acts linked to extreme right-wing terrorism.
A warrant of further detention was obtained on July 11, 2026 and after further inquiries and consultation with the Crown Prosecution Service the boy was formally charged with two offenses. The terrorism charge is particularly alarming due to the young age of the suspect and the nature of the alleged plot.
Community Response and Ongoing Support
Commander Helen Flanagan Head of Counter Terrorism Policing London, acknowledged the seriousness of the charges and the concern they would likely cause in the public and local community. She emphasized the importance of providing support and reassurance to the affected mosques and the wider Muslim community.
“This is a very serious terrorism charge against a young boy and likely to be highly concerning to the public and the local community,” Commander Flanagan stated. “We know this will be particularly concerning to the Muslim community, and we are working closely with the venues affected to ensure they are kept updated and to provide advice, support, and reassurance, and this will continue.”
Detective Chief Superintendent Nick Blackburn who oversees local policing in the south London area, also addressed the community’s concerns. He highlighted the cumulative impact of such incidents on the Muslim community and the importance of increased patrols and community engagement.
“We acknowledge that this will be concerning for the local Muslim community, and we have been working together with our local partners to provide reassurance and support,” Superintendent Blackburn said. “We should not underestimate the cumulative impact of incidents of this nature on the Muslim community.”
Preventing Radicalization and Early Intervention
The case has also drawn attention to the broader issue of preventing radicalization among young people. Commander Flanagan emphasized the role of parents, carers, teachers, and others in identifying and supporting vulnerable individuals. She urged anyone concerned about a child or young person to seek support through the ACT Early initiative.
“Early intervention can make a significant difference and help prevent individuals from coming to harm or becoming involved in criminal activity,” Commander Flanagan added. “If you’re concerned that a child or young person may be vulnerable to radicalisation, we would urge you to seek support and contact ACT Early.”
The boy has been remanded in custody and is due to appear at Westminster Magistrates’ Court on Thursday, July 16, 2026. The investigation is ongoing, and police have assured the public that there is no believed enduring or wider threat related to this matter.

