CNN's Derek Van Dam reports from Virginia Beach, where below-freezing temperatures have caused fountains to freeze. Millions across the Southeast are under extreme weather alerts as a winter storm is expected to turn into a bomb cyclone, bringing tropical storm-force wind gusts to the region. Follow live updates: https://cnn.it/49QR7TH | CNN

Protesters are rallying nationwide, calling for an end to the Trump administration's immigration crackdown. CNN's Shimon Prokupecz reports. Follow live updates: https://cnn.it/49RIZlW | CNN

Ice brought down power lines and snapped trees across Mississippi. Follow live updates: https://cnn.it/3NwgTE7 | CNN