Over 100 flights were cancelled at Phoenix Sky Harbor International Airport as a deadly winter storm pushed through parts of the United States on Jan. 25.

At least seven people have died, and hundreds of thousands of homes are without power, as a winter storm hits the US from north to south.

As of 2am EST (7am Irish time) this morning, some 217,000 US customers had no electricity, the bulk of them in Louisiana, Mississippi, Texas and Tennessee, according to PowerOutage.com.