Powerful storms packing high winds, torrential rain and hail slammed heavily populated parts of the Northeast US yesterday.
The storms snarled transport and caused widespread power outages in an area home to tens of millions of people.
The National Weather Service has issued a severe thunderstorm warning from Maryland to New Hampshire. There were nearly 50 reports of hail in states including Ohio, Pennsylvania, New York and Connecticut.
A tornado was spotted in Sullivan, in northern New York, but there were no reports of damage. Nearly 400 flights were cancelled at airports serving the New York area.
The National Weather Service said the greatest threat for any flash flooding or severe weather will be across southern New England and the northern Mid-Atlantic states.