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NEW YORK (CNN)- Police are examining a suspicious package addressed to actor-director Robert De Niro at a building in lower Manhattan’s Tribeca neighborhood, two law enforcement sources said early Thursday.

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Suspicious packages addressed to Joe Biden were intercepted at a Delaware post office early Thursday morning.

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The package has similar markings as pipe bomb packages recently mailed nationwide to top Democrats.

The address, 375 Greenwich St., matches that of the Tribeca Film Center. De Niro, the founder of the Tribeca Film Festival, is a vocal critic of President Trump.

(The-CNN-Wire ™ & © 2018 Cable News Network, Inc., a Time Warner Company. All rights reserved.)

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