CHICAGO (CBS) — A 67-year-old man was arrested Thursday afternoon, after police said he threatened to shoot people entering a mosque in the Calumet Heights neighborhood, and to blow up the mosque itself.

Police said the man, a member of the mosque, got into an argument with someone outside the building near 89th and Stony Island shortly after 1 p.m.

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The 67-year-old man then threatened to shoot people who entered the mosque, and threatened to blow up the building.

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Police arrested the man at the scene.

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Charges were pending Thursday afternoon as Area South Detectives investigate.