London's biggest exercise of kind shows preparations against nuclear attack.
Various shots of the people being made up to look like casualties during preparation for the largest civil defence exercise against nuclear attack ever to be staged in London. Various shots of the Civil Defence people gathering and long lines of ambulances waiting. Various shots of staged bomb site - rubble, destroyed houses, etc. People browsing around, survivors are scattered around the rubble, many trapped, waiting to be rescued. Civil Defence men working on rescuing people, one man hugging a woman who is screaming hysterically. Various shots of the field kitchen in operation and food being delivered to people, many in bandages. Various shots of the civil defence people rescuing victim from second floor of a building. They tie wounded on stretcher to ropes and lower it carefully down on ground. Various shots of the casualties on stretchers being moved and loaded into line of ambulances. Ambulances moving off.