Polar vortex claims eight lives as US cold snap continues - BBC News
- Polar vortex claims eight lives as US cold snap continues BBC News
- Polar Vortex Updates: Bitter Cold Weather Spreads East The New York Times
- Polar vortex: -46C temperatures turn Chicago River to ice Guardian News
- Chicago Breaks Daily Record for Low Temperatures NBC Chicago
- How dangerous (and historic) is the Polar Vortex hitting the Midwest? | TheHill The Hill
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