This is Ottawa

Rats coming up through toilet bowls. Rats hanging from bird feeders. What can be done once rats decide to make your home THEIR home? One city councillor has suggested rodent birth control. Another says education and prevention is the answer. Robyn Bresnahan meets a woman whose backyard was overtaken by rats - and rings up Alberta’s ‘rat czar’ to hear how that province stays (mostly) rat-free.