Sri Lanka, Feb. 25 -- A powerful winter blizzard that hit the north-eastern US has left two dead in Maryland and continues to delay flights and cause widespread power outages across the region.

In Calvert County, Maryland, on Sunday afternoon, a vehicle was struck by a falling tree that toppled onto the road way, killing Michael Simpson, 60, and Virginia Quesenberry, 43, the sheriff's office said.

Parts of Maryland saw as much as 16in (40cm) of snowfall during the storm, while Providence, Rhode Island, saw the biggest blizzard in history with 37.9in of snow.

Travel bans and school closures are still in place for Rhode Island and parts of Massachusetts as residents dig out of the storm.

The hazardous and snowy conditions also led to se...