Powerful storms and at least nine tornadoes roared through the Northeast Tuesday, killing at least five people and leaving thousands of homes and businesses without power.

Two people died in Connecticut, including a Danbury man who was killed when a tree fell on his truck, according to the Associated Press. His identity was not released by authorities.

Connecticut State Police say a tree also fell on a car on Brush Hill Road in New Fairfield, killing 41-year-old Lauren Svendsen. Her 3-year-old son, who was also in the vehicle, survived.

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Matthew Ryan, 31, of Kunkletown, Pennsylvania, was killed when a tree fell on a vehicle near the town of Effort in the Poconos , WNEP.com reported.

An 11-year-old New York girl, later identified as Gina Garzon, was killed when a large tree toppled onto the car she was in with her mother in Newburgh. The mother suffered minor injuries, the AP reported. Another woman was killed in the same town of Newburgh when a tree fell on her vehicle, authorities confirmed.

Lisa Resnick, 58, was also killed by a falling tree in Newburgh during the storms , the Times Herald-Record reported.

The National Weather Service confirmed that an EF0 tornado hit Newburgh, which is located in Orange County. Conditions were so bad with downed trees and damage to electrical infrastructure that the city closed all roads Tuesday evening until further notice.

Saugerties, New York, was hit by an EF1 tornado, according to the NWS. Two tornadoes were also confirmed in Putnam County, New York – an EF1 near Patterson and an EF2 near Kent. A storm survey indicated an EF1 tornado struck north of Honesdale in Wayne County, Pennsylvania.

More than a dozen downbursts, microbursts and macrobursts were also responsible for damaging trees, power lines and structures.

New York Gov. Andrew Cuomo declared a state of emergency in Putnam, Dutchess, Orange and Sullivan counties and tweeted that he was "deploying members of the New York National Guard to assist with recovery operations."

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The storms downed trees and power lines across the region and lightning strikes led to structure fires in New Jersey and Massachusetts, AP reports. As of Wednesday night, nearly 300,000 customers remained without power in New York, Connecticut, Pennsylvania and New Jersey, according to PowerOutage.us.

Travel delays were reported, including several suspensions at New York's Grand Central Terminal.

Damage to train tracks from severe weather forced the closure of MARC's Brunswick Line service in Maryland. The line will reopen on Thursday, officials told news outlets.

Earlier in the day, upstate New York was pounded by thunderstorms and baseball-size hail.