Scotland Yard on Thursday said it foiled a terror attack and arrested a 27-year-old man armed with knives near the UK Parliament on terrorism charges, a month after a lone wolf attack left five people dead near the highly guarded Westminster. A police spokesperson said: "A man has been arrested in Whitehall this afternoon, at approximately 14:22, following a stop and search as part of an ongoing operation. Whitehall, the political heart of London which houses the and other government buildings culminating in Parliament Square, and were closed to traffic as Metropolitan Police officers and forensics officers continued their investigation.The Metropolitan Police confirmed that the man in his 20s has been arrested under the UK's Terrorism Act and is being questioned at a south London police station. ‘Knives’ seen as man arrested near UK parliament

A man is held by police in Westminster after an arrest was made on Whitehall in central London April 27, 2017. Authorities have cordoned off Whitehall and Parliament Street, where the suspect was arrested, near Parliament Square this afternoon, following a stop-and-search operation. The suspect, identified as a 27-year-old man, was arrested on suspicion of possession of an offensive weapon and on suspicion of the commission, preparation and instigation of acts of terrorism, according to London's Metropolitan Police Service. “Knives have been recovered from him,’’ police said in a statement. “Detectives from the Counter Terrorism Command are continuing their investigation, and as a result of this arrest there is no immediate known threat.”

A man has been arrested in Whitehall this afternoon, at approximately 14:22, following a stop and search as part of an ongoing operation. May later said: “I think it shows that our police and our intelligence and security services are on the alert, as they always are, looking to keep us safe and secure.”

According to reports, the arrest was the result of an ongoing anti-terrorism operation and that the arrested man was on the radar of intelligence officers.
A 27-year-old man carrying several knives in a backpack is arrested at Parliament Square, London, near the site of last month's Westminster attack.