Global National: Dec. 17, 2021 | Canadian provinces ramp up restrictions in push to control Omicron

And big boars lead to bigger problems. Over the years, wild boars have become increasingly common in parts of Canada. But researchers say these creatures are nightmares. Mike Drolet explains the danger behind the invasive species.Meanwhile, reaction is pouring in to a Global News story about Nazifa, the 10-year-old Afghan girl approved to come to Canada but was murdered by the Taliban. As Jeff Semple reports, her death has people wondering why she and her family were not rescued sooner.As cases of Omicron surge, what can you do to better protect yourself? What risk does it pose to children who aren't eligible to be vaccinated? And when can we expect to know more about how severe this variant really is? Global National's Dawna Friesen speaks with infectious diseases physician Dr. Lisa Barrett to answer your questions.In the United States, President Joe Biden is issuing dire warnings ahead of the holidays, as Omicron tightens its grip on the country, while hospitals still deal with the Delta variant. As Jackson Proskow reports, unvaccinated Americans are especially at risk.As British Columbia also faces a steep rise in COVID-19 cases spurred by Omicron, the province is also reintroducing a slew of restrictions to slow the spread. Keith Baldrey reports on the changes and how they will affect New Year's celebrations.On this episode of Global National: Canada's provincial and federal governments are reimposing multiple restrictions in a bid to blunt the steep rise of Omicron. Abigail Bimman looks at the new rules in Ontario and Nova Scotia, and what Ottawa is about to mandate once again for people making quick dashes across the border.