Italy has put in place a massive security operation for the Milan Cortina Winter Olympics ahead of Friday's opening ceremony.

Skier Chris Lillis said he was "heartbroken about what's happened in the United States," while skater Amber Glenn said she "will not just be quiet."

European attitudes toward the U.S. have shifted dramatically over the past year, recent polls indicate.

Italy's Winter Olympics promised sustainability. But in Cortina, environmentalists warn the Games could scar these mountains for decades.

Police say they are investigating three incidents targeting rail infrastructure that caused travel delays.

Anti-Olympic protesters marched peacefully through Milan on Saturday afternoon, holding signs, marching arm-in-arm, singing and dancing. But when night fell, the demonstration turned violent as some protesters targeted police and their vans,

Evan Bates and Madison Chock closed today's events with a boost to Team USA's score, earning the team 10 points in their ice dance free dance event. As of now, the Japanese figure skating team ranks second with 39 points, and Italy trails closely behind with 37 points.