(South African law during this time allowed detention without trial under certain circumstances).

Some are being held under a military decree that allows indefinite detention without trial.

The 2007-2008 state of emergency in Agadez allows detention without charge or trial.

New Jersey already allows preventive detention for defendants in capital cases.

Canada has a long history of allowing preventive detention.

After Sept. 11, the government passed legislation that allowed indefinite detention of terrorism suspects.

It allows indefinite detention without trial for reasons of state security.

Police raids have been going on since Tuesday, under a law that allows detention without trial.

It would also allow preventive detention only for crimes carrying at least a three-year prison term, instead of the current two.