Arctic blast chills US, Canada; New York's JFK airport in meltdown

Children sled in the snow in New York City's Central Park during freezing temperatures on Jan 6, 2018.
Children sled in the snow in New York City's Central Park during freezing temperatures on Jan 6, 2018. PHOTO: AFP
Pedestrians bundle up against the sub zero temperatures in New York on Jan 6, 2018.
Pedestrians bundle up against the sub zero temperatures in New York on Jan 6, 2018. PHOTO: EPA-EFE
The extreme conditions suffered across the United States are a result of the "bomb cyclone" brought along by Storm Grayson.
The extreme conditions suffered across the United States are a result of the "bomb cyclone" brought along by Storm Grayson. PHOTO: AFP
The Statue of Liberty is seen amidst the icy Hudson River during freezing temperatures in New York City on Jan 6, 2018.
The Statue of Liberty is seen amidst the icy Hudson River during freezing temperatures in New York City on Jan 6, 2018. PHOTO: AFP
A pier covered in snow and ice floats in the East River in Brooklyn, New York, on Jan 5, 2018.
A pier covered in snow and ice floats in the East River in Brooklyn, New York, on Jan 5, 2018. PHOTO: AFP
Tourists look out past the frozen railings at the Horseshoe Falls in Niagara Falls, Ontario, on Jan 3, 2018.
Tourists look out past the frozen railings at the Horseshoe Falls in Niagara Falls, Ontario, on Jan 3, 2018. PHOTO: AFP