Carney announces contest to revamp uninhabitable Canadian PM residence

Various issues – including a rodent infestation and mould – have left the historic, sprawling Ottawa estate empty

10 Downing Street has two things: mice and a chief mouser. For more than a decade, an officially recognized feline has kept rodent infestation in the British prime minister’s residence to a minimum.

Over a similar period, the official residence of Canada’s prime minister has seen an unchecked explosion of rodents.