A powerful blast at an industrial business in Ottawa has killed one person, while five others are missing and presumed dead. We look at the damage, the investigation, and hear from witnesses. Concerns are growing over the efficacy of COVID-19 vaccines against the highly transmissible Omicron variant, with hospitalizations across Canada expected to surge. A Quebec man, 22, has been arrested by the Taliban in Afghanistan. Why Francois-Xavier Paradis-Garneau has been detained, and the questions about why he was in that country. And who killed Const. Andre Lalonde in Montreal in 1996? How the cold case continues to haunt the police officer's family.