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Stolen government phone sparks security fears over lost Cabinet secrets

A top aide's missing phone could have compromised national security. Why did police take so long to act—and what was on it?

The image shows a police car parked on the side of a street next to a building, with two people...
The image shows a police car parked on the side of a street next to a building, with two people wearing helmets standing nearby. There is a railing and a pole in the foreground, and a white cloth draped over the building in the background. The scene is likely the aftermath of a stabbing in London, as the police are investigating the incident.

Stolen government phone sparks security fears over lost Cabinet secrets

A stolen government phone belonging to Keir Starmer's chief of staff has raised security concerns. Morgan McSweeney lost the device in March 2026 on Belgrave Road in Pimlico, central London. The incident led to confusion after he gave police the wrong address during the emergency call. McSweeney contacted 999 but mistakenly directed officers to Belgrave Street in Tower Hamlets instead of Belgrave Road in Pimlico. He also mentioned the phone had a tracker, yet Number 10's police liaison failed to notify Scotland Yard promptly. Had he disclosed his role, counter-terrorism units and the Government Security Group would have been alerted immediately.

The stolen phone is believed to have held sensitive information, including Cabinet details and confidential Number 10 documents. Police could have secured CCTV footage from the area under the Police and Criminal Evidence Act 1984, but delays meant much of it may now be lost. Over 35 private cameras line Belgrave Road, with additional ones in nearby squares, but data protection rules often require deletion after 30 days.

Authorities will review available recordings, though hopes of finding useful evidence are low. Locals have questioned what McSweeney still needs to explain about the incident. A passing bus and other public cameras might have captured the theft, but without swift action, key footage has likely been overwritten. The theft exposed gaps in security protocols and response times. Police missed the chance to preserve critical CCTV evidence within the standard retention window. The incident has left unanswered questions about how sensitive government information is protected.

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