Emergency services, police and intelligence agencies will carry out the largest-ever rehearsal of a response to a terror attack across the city today. Exercise Strong Tower will involve more than 1,000 officers.
Armed gunmen stalked the streets of central London today firing blank bullets as part of a police training exercise.
More than 1,000 police took place in the exercise - where gunmen simulated attacking commuters in the London Underground - and more than 12 other agencies and emergency workers.
Rags Martel reports.
The unlicensed events unfolded on Saturday night at Clapham Common and Tooting Bec Common.
A 37 year old man who was taken to hospital after getting into difficulty in a stretch of water near Maidenhead has died.
Jonty Bravery, who is mentally ill, has been jailed for 15 years after throwing a six year old boy from the Tate modern balcony.