Slideshow | Training

London Disaster Drill

01 / 08

Britain Disaster Exercise

Simulated casualties look out from a tube train carriage during an exercise run by the London Fire Brigade at a disused power station in east London,Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

02 / 08

Britain Disaster Exercise

Evaluators on the roof of a container watch to see how members of the emergency services treat simulated casualties during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

03 / 08

Britain Disaster Exercise

Evaluators on the roof of a container watch to see how members of the emergency services treat simulated casualties during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

04 / 08

Britain Disaster Exercise

An evaluator, bottom right, watches to see how members of the emergency services treat simulated casualties during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

05 / 08

Britain Disaster Exercise

Members of the emergency services treat simulated casualties during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb., 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

06 / 08

Britain Disaster Exercise

Evaluators on the roof of a container talk to members of the emergency services as they treat simulated casualties during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

07 / 08

Britain Disaster Exercise

A Policeman asks simulated casualties to move away from a mock entrance to Waterloo underground station during an exercise run by the London Fire Brigade at a disused power station in east London, Monday, Feb. 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station. (AP Photo/Alastair Grant)

08 / 08

Britain Disaster Exercise

Make up is applied to volunteers who will take the part of simulated casualties during an exercise run by the London Fire Brigade at a disused power station east of London, Monday, Feb., 29, 2016. The exercise involving the London emergency services is set around a building collapse onto a major London underground railway station.(AP Photo/Alastair Grant)