The Royal Air Force gave the VC10 a fitting send off today as the aircraft completed the final mission after more than 50 years of military service. The long-serving VC10 is being replaced by Britain's largest ever military aircraft, the Voyager.
More top news
Pictures of today's events unfolding following a major security incident at the Houses of Parliament.
At least two people have died after a knifeman brought terror to the heart of Westminster.
The Cobra committee brings together government ministers with senior officials of the emergency services and security agencies.