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A gunman opened fire at a shopping mall in Columbia, Md., near Baltimore on Saturday, police said. spoke to one man who said he was in phone contact with his daughter, who was taking shelter in a Bank of America inside the mall, along with dozens of others. She described a chaotic scene as shoppers at the mall were told to evacuate or shelter.

"People were panicking," the man said.

A security spokesman at the mall told NBC News that “the situation may be over,” adding that the mall was closed.

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