'Near impossible' for services to ensure public safety during terror attack, ex-MI6 chief admits
Australian police have confirmed at least 12 people have died in the massacre
Police
Police could be merged into 12 regional 'mega-forces' in 'generational' shake-up
The Home Secretary is said to be lining up the largest overhaul to policing in Britain in almost 60 years
Met Police issues update on Heathrow 'pepper spray' attack as three-year-old treated for injuries
Officers were called to the multi-storey car park at Terminal 3
