US east coast braces for crippling blizzard
There are warnings the blizzard could cause power outages and will bring road and air travel to a halt.

A huge blizzard bearing down on the US east coast is expected to dump near-record levels of snow on Washington and the Mid-Atlantic region.
More than 50 million people have been warned of a "potentially paralysing storm" late on Friday that will bring 60cm of snow within hours.
There are warnings the blizzard could cause power outages and will bring road and air travel to a halt.
A rush for supplies led to long queues and empty shelves at supermarkets.
The weather system has already proved to be deadly, with two drivers killed in North Carolina, one in Tennessee and a pedestrian dead in Maryland.
High winds could compound problems, with 50km/h winds forecast for Manhattan on Saturday, and even stronger gusts in Washington and Baltimore.
National Weather Service director Louis Uccellini said the system had "the potential of being an extremely dangerous storm that could affect over 50 million people".
He added: "We are talking about a potentially paralysing storm that is already setting up."