Officials say a 50-foot (15 metres) wall collapsed late Friday as severe winds and heavy rain swept through the city.
The National Weather Service confirmed an EF1 tornado toppled a tractor-trailer on Interstate 95 in Baltimore then struck the Amazon distribution facility with winds as high as 105 mph and then traveled 2.5 miles through Baltimore County.
They found that a 50-by-50-foot wall had collapsed at the warehouse, according to Clark.More news: Here are 4 of Trump’s worst racist comments, according to Michael Cohen
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The newspaper reported one man was pulled from the debris and pronounced dead at hospital, and the body of a second man was later found. "The whole side (of the building) was just dropping".
Employee Brandon McBride told WBAL that when the wall fall, it sounded like "bombs were dropping".
Dave Clark, Amazon's SVP of operations, confirmed the deaths in a statement on Saturday on Twitter. We are working with emergency responders to assess the damage and we are thankful for their quick response this evening.
The site was still an active scene as of Saturday afternoon, and an Amazon spokesperson told the paper that the building had been closed. "Our thoughts and prayers go out to those impacted by yesterday's tragic event".