Global National: March 29

As Canadians hit the road this holiday weekend, many are bracing for what could be a more expensive return home. The federal carbon tax hike takes effect on Monday with gas prices set to rise three cents a litre. The majority of premiers are expressing their displeasure, prompting the prime minister to fire back and call Conservatives “liars.” Abigail Bimman has a reality check about what’s at stake and what Canadians can expect in the days to come. The United Nations has a blunt warning about the situation in Haiti, and is calling for immediate and bold action to fight what it is calling a worsening catastrophe. The surge in gang violence has brought with it a surge in hunger. Close to five million people — nearly half of Haiti’s population — now faces food insecurity. Mike Armstrong reports.