Polling locations in New York City and New Jersey received threats early Tuesday morning on Election Day .

Bomb threats targeted several New Jersey locations, while the NYPD and federal authorities investigated what police sources described as an "elaborate swatting attempt" targeting three other polling sites in Manhattan .

Polling locations in Washington Heights, the West Village and Midtown received messages through the NYC Board of Elections email system which contained threats of a "terroristic nature," police sources said.

There haven't been any disruptions to voting in New York City as a result, sources said.

New Jersey bomb threats

The threats in New York City came to light after police in New Jersey responded to bomb threats at polling places in at least seven

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