Opposition groups and activists say more than 200 people were killed by artillery and mortars fired by Syrian forces in the city of Homs overnight, ahead of a UN Security Council meeting to consider a resolution condemning the crackdown on dissent.
A federal system was established in 2005 to help track potentially deadly food-borne illnesses. Yet fewer than half of its tracking sites are in place, with no timeline for completion.
Prime Minister Stephen Harper is leaving Monday for a visit to China, where he's likely to talk about Canada's natural resources, human rights and a gift of panda bears.
Iran has started military exercises with ground troops, the latest show of force as tensions stay high between Tehran and Israel and the West. Nancy Cordes speaks with Juan Zarate about the situation.
Syrian forces are accused of killing scores of people in Homs in the worst violence in months, but the government denies it as the UN Security Council meets.
Tens of thousands of people march in Moscow in protest at Prime Minister Vladimir Putin, while his supporters hold a rally elsewhere in Russia's capital.
Republicans in the US state of Nevada are to take part in caucuses to decide their choice of presidential candidate; Mitt Romney is in the lead in opinion polls in the state.