Public Safety Minister Ralph Goodale is disputing claims that a bill to end solitary confinement in Canada's prisons is merely "linguistic trickery" that maintains the practice under a different name.
Ontario's top court has asked the federal government for more information before deciding whether Canada's segregation laws will become invalid next month.
British Columbia's top court is set to hear the federal government's appeal of a ruling that said indefinite solitary confinement of prisoners is unconstitutional and causes permanent harm.