The United States is advising airlines with direct flights to Russia to be aware of the possibility that explosive materials could be concealed in toothpaste or cosmetic tubes. The notice to U.S. and international carriers is based on new intelligence information ahead of the start of the Olympics in Sochi …

Winter storm warnings are in effect for a broad area of the western U.S. through Feb. 8, including Washington, Oregon, Colorado, Idaho, and Wyoming. Travelers are advised to monitor weather conditions closely.