Given the location of the arrest, investigators believe one possibility was an attack on the Westminster or Whitehall areas. Police said the arrest came at the junction of Parliament Street and Parliament Square, barely 30 metres from Westminster Bridge. Police prefer to arrest terrorism suspects in dawn raids at their homes, away from any potential target of attack. Arresting someone in their home with knives poses challenges of convincing a jury that a terrorist attack was planned. He had police pointing arms at him though.”A French tourist who declined to be named, said: “We just saw the man arrested and that’s all.

Source: The Guardian April 27, 2017 14:02 UTC