A woman has been shot and four people arrested as part of an operation by counter-terrorism police in north London and Kent.
Police said a 16-year-old boy and a 20-year-old woman were arrested at the address where the woman was shot and a 20-year-old man was detained nearby.
Another woman, aged 43, was arrested in Kent a short while later.
All four are being held at a south London police station on suspicion of the commission, preparation and instigation of terrorist acts.
Police said the incident was unconnected to the arrest of a man in an anti-terrorism operation near the Houses of Parliament in London yesterday.
The man, armed with several knives was arrested in Whitehall on suspicion of planning a terror attack, Scotland Yard said.
The 27-year-old suspect was carrying a rucksack containing at least three knives when he was detained “following a stop and search as part of an ongoing operation”, police said.
The Metropolitan Police said in a statement that he was held at approximately 2.22pm by armed officers from the Specialist Firearms Command.
It went on: “The man, aged in his late twenties, was arrested on suspicion of possession of an offensive weapon and on suspicion of the commission, preparation and instigation of acts of terrorism.”
“Detectives from the Counter Terrorism Command are continuing their investigation, and as a result of this arrest there is no immediate known threat.”
The suspect was held yards from the scene of last month’s terror attack by Khalid Masood.
The bearded suspect, who was dressed in dark clothing, was wrestled to the ground on a traffic island at the Parliament end of Whitehall, close to the Foreign Office and the entrance to Downing Street.
Scotland Yard said one man had been arrested and there had been no reported injuries.
Security remains tight across the UK following last month’s terror attack in Westminster.
Woman shot by police and four people arrested as part of an ongoing UK counter-terrorism operation – RTE.ie