BOSTON (CBS) – A man who was wearing body armor and carrying a gun at the Boston Medical Center helipad Saturday has been arrested, police say.

Boston police told WBZ-TV’s Julie Loncich that a Boston University special officer first spotted the suspect.

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The man was arrested around 4:30 p.m. at the helipad, which is located at ground level.

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The Suffolk County District Attorney’s Office is handling the case.

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No additional information was immediately available.