A frigid winter storm has killed at least 18 people as it swept across the US, knocking out power to hundreds of thousands of homes and businesses, and leaving millions of people worried about the possibility of blackouts.The storm unleashed its full fury on Buffalo, New York, with hurricane-force winds causing whiteout conditions. Emergency response efforts were paralysed, and the city's international airport was shut.Across the US, officials have attributed deaths to exposure, car crashes, a f

A frigid winter storm has killed at least 18 people as it swept across the US, knocking out power to hundreds of thousands of homes and businesses, and leaving millions of people worried about the possibility of blackouts.The storm unleashed its full fury on Buffalo, New York, with hurricane-force winds causing whiteout conditions. Emergency response efforts were paralysed, and the city's international airport was shut.Across the US, officials have attributed deaths to exposure, car crashes, a falling tree limb and other effects of the storm.No re-sale, re-use or archive; Must credit WKBW.COM; No access Buffalo; No access TEGNA; No access Nexstar; No use US broadcast networks