Circle line (London Underground) Circle Stock, at first painted red and cream, later painted red all over to reduce costs. These trains included first-class accommodation, but this was downgraded in 1940. From 1947 these were replaced by 5-car trains of O and P Stock, with doors remotely operated by the guard, released by the transfer of F Stock to the Uxbridge line. The 1933 London Underground Beck map shows a Metropolitan line north of and stations and a District line south of these points. On the 1947 map the Metropolitan and District lines were shown together in the same colour and two years later
Attacks on the London Underground Attacks on the London Underground This is a list of deliberate attacks on the infrastructure, staff or passengers of the London Underground that have caused considerable damage, injury or death. On 30 October 1883, two bombs planted as part of the Fenian dynamite campaign exploded on the "Inner Circle". The first bomb, planted on a train, exploded near Paddington (Praed Street) station damaging the train it was on and a passing train along with part of the station and the signal box. Sixty-two passengers were injured. At the same time, the second bomb exploded in the tunnel between Charing Cross