global news understaffed hospitals Canada hospital understaffing nursing shortages Omicron Omicron variant Omicron surge Bearskin Lake First Nation COVID-19 coronavirus pandemic COVID-19 U.S. worker shortages U.S. Atlantic Canada weather Kassym-Jomart Tokayev Kazakhstan protests Kazakhstan fuel price protests Kazakhstan fuel prices Kazakhstan anti-government protests Sidney Poitier Sidney Poitier death Sidney Poitier dead