Police were called to an apartment building on 2nd Street on reports of a man threatening to jump from the roof around 4:15 a.m., Jersey City spokeswoman Kimberly Wallace-Scalcione said.
Upon arrival, officers found a 45-year-old man on the ground, dead from an apparent suicide, she said.
The building at 20 2nd Street is listed online as The Mandalay, located on the waterfront.
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