Polar vortex in pictures: Millions hit by icy blast January 30, 2019 at 08:51AMhttps://https://bbc.in/2BlBpiT Millions across the US are suffering a blast of potentially life-threatening cold weather.

Millions across the US are suffering a blast of potentially life-threatening cold weather.

from BBC News - World https://bbc.in/2DHDHKu