Dangerous winter storm begins assault on Washington, D.C., Baltimore as heavy snow and ice fall across mid-Atlantic

Dangerous winter storm begins assault on Washington, D.C., Baltimore as heavy snow and ice fall across mid-Atlantic

Millions of people from the Midwest to the mid-Atlantic are under winter weather alerts as a powerful and dangerous winter storm sweeps to the east, impacting cities like Washington, D.C., Baltimore, Richmond, Virginia and Philadelphia.