Westminster terrorism suspect is 27-year-old British national

Khalid Mohamed Omar Ali is understood to be a British national from Tottenham, north LondonThe suspected terrorist arrested in Westminster carrying knives is a one-time humanitarian activist who is now facing questions from police about whether he was about to stage a murderous attack in central London.Khalid Mohamed Omar Ali, 27, was arrested by armed police on Thursday afternoon yards from the Houses of Parliament and the scene of the previous terrorist attack in March in which five people los