Justin Trudeau has resigned as Prime Minister and Liberal Party leader but will stay on until a new leader is elected. Glen McGregor reports from Parliament Hill on what’s been an historic day in Ottawa.

The federal Liberals might have a short runway to get their next candidate off the ground, but what could the leadership race look like? Political analyst Lori Turnbull speaks with Cynthia Mulligan and Melanie Ng about what comes next.

Health officials are sounding the alarm as cases of the Norovirus are on the rise across North America. Catalina Gillies has more on how this virus is spread and what you can do to best protect yourself.

A massive winter storm is impacting millions of Americans as heavy snow and dangerous ice are causing treacherous conditions and crippling travel, just as residents head back home following the holidays. Brandon Rowe reports.