India, Jan. 26 -- A massive, destructive winter storm is causing major disruptions across the eastern United States, cutting power to more than one million customers and paralyzing both air and road travel nationwide.

The storm's effects are split by region: dangerous ice buildup is triggering widespread power failures in the South and mid-Atlantic, while heavy snow is burying the Northeast, including major cities like New York and Boston.

The South is facing a crisis of ice and darkness. Accumulating ice has brought down trees and power lines, leading to massive outages that officials warn could last for days, especially in hard-hit areas like Nashville, Tennessee.

Power: Over 1 million customers are without electricity, according to ...