Interstate 70 and other mountain highways were closed Monday night as a winter storm continued to drop heavy snow across the Colorado’s high country.

The arctic blast has hit, bringing freezing rain and slick roads that have caused several crashes Tuesday across Oklahoma.

Pope Francis did some work during his fourth day in hospital Monday, but the 88-year-old faces a "complex clinical picture" that will require a longer than expected stay, the Vatican said."All the tests carried out until now are indicative of a complex clinical picture that will require adequate hospitalisation,