Dramatic CCTV of Westminster terror attack shows car ‘intentionally mowing down at least 10 cyclists at 50mph’ before smashing into Houses of Parliament security barriers – as man in his 20s is arrested

Terror suspect in his twenties has been arrested after Ford Fiesta hit crowds and smashed into barriers   Suspect was pulled from the car by armed officers who surrounded vehicle outside St Stephen’s entrance Pedestrians and cyclists describe car on wrong side of road then swerving deliberately to hit them at...