An Ontario judge has declared a mistrial in the high-profile sexual assault case involving five former members of Canada’s world junior hockey team.

Cardinal Thomas Collins is one of five cardinals currently in Rome from Canada. This will be just the second time in Collins' life he'll be involved in selecting a new pope.

Svetlana Petrenko, a spokesperson for the military, said the explosive device was rigged with shrapnel and an investigation is underway.