Prosecutors charge California man who praised Trump with threatening to kill Muslims

RICHMOND, Calif. – Prosecutors in Northern California have charged a self-employed plumber who allegedly threatened to kill Muslim people outside a mosque with making criminal threats and hate crimes.

The Contra Costa Times reports that 55-year-old William Celli pleaded not guilty to the charges during his arraignment Wednesday.

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Celli is accused of yelling “I’m going to kill you all” outside the Islamic Center of West Contra Costa County on Dec. 4 and of posting a picture of a pipe bomb on social media the same day.

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The Times says Celli also posted that he would follow Republican presidential candidate Donald Trump to “the end of the world.”

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He was arrested on Sunday after a bomb squad safely detonated a device that the newspaper says police described as a pipe bomb but without the components that would cause an explosion attached.