Tragedy has struck the hockey world again. Heather Yourex-West reports from Stavely, Alberta, a community in mourning after a highway crash left three teenaged hockey players dead. In London, Vincent McAviney explains why police have launched an investigation into disgraced British politician Peter Mandelson over Mandelson's ties to deceased sex offender Jeffrey Epstein. Touria Izri reports on the latest country to ban social media for children and some teenagers; and the mounting pressure Canada faces to take action. Heidi Petracek explains the federal government's five-year plan to protect endangered whales, and how it could benefit both whales and the fishing industry. In Arizona, the desperate search continues for Nancy Guthrie, the 84-year-old mother of Savannah Guthrie, the co-anchor of NBC's popular morning show, "Today." Jackson Proskow explains what police are revealing about the case; why they're now retracting some details; and what they're saying about reports of ransom notes. Plus, hear what former prime minister Stephen Harper is saying about threats to Canadian independence.

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