Canada Task Force 2 trains in mock school collapse disaster

Searchandrescue workers spent much of Thursday digging 17 people out of a closedschool in northern Alberta although they were the ones who put the "victims"there in the first place.

• Disaster exercise to test Alberta's emergency response team

Volunteers from Canada Task Force 2, which is based in Alberta, were in the town of Thorhild Thursday to train in a mock disaster. Their task was torescue people from a school that collapsed under a heavy snowstorm.

Check out photos from the training event and learn more about how the mock disasterhelps volunteers prepare for the real thing.