In pictures: Polar vertex freezes Midwest, parts of US with cold air - The Express Tribune

1. In pictures: Polar vertex freezes Midwest, parts of US with cold air  The Express Tribune
2. Temperatures could hit -45°C as life-threatening cold grips US  Geo News
3. Deadly polar vortex sweeping Midwest with wind chills as low as minus 65  CBS This Morning
4. Polar vortex freezes US Midwest with snow, dangerously cold air  The Express Tribune
5. Midwest cities scramble to keep homeless from dangerous cold  Times of India
6. View full coverage on Google News

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