'Major Disaster' Declared In New York
US President Barack Obama has declared a "major disaster" in New York state after storm Sandy smashed into the US East Coast, causing flooding and cutting power to millions.
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A record 4m (13ft) tidal surge sent seawater cascading into large parts of New York City's subway system.
Across the city, a power sub-station exploded, a hospital was evacuated and fire destroyed 50 homes.
At least 20 people are reported dead across several US states.
In New York City, 10 people were killed and the death toll could still rise, Mayor Michael Bloomberg said.
In New Jersey, three people were killed, including two parents killed by a falling tree when they got out of their car; their children, 11 and 14, who remained inside, survived.
A woman in West Virginia died in a collision with a cement lorry, in heavy snow caused by the storm.
New Jersey state Governor Chris Christie said 2.4 million house
