Most of the time you would just leave the bed cover on and the five-seat cab closed and use the truck bed as a mammoth lockable trunk that's accessible from either end.

CNN: Chevy Avalanche: Big truck for the real world

He believed the government should use closed down prisons, such as HMP Shepton Mallet, to lock up illegal immigrants.

BBC: Phil Collins, former Bristol UKIP Chairman

Each represents a situation where the government would want to use closed hearings to defend itself and protect sensitive information.

BBC: Secret cases: Who could be affected?