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Police in the US state of Ohio have arrested a man they believe threatened to carry out a shooting at a Jewish community centre.
James Reardon, 20, posted a video online of a man firing a gun with a caption identifying the centre in Youngstown, north of Pittsburgh.
A search of his home revealed several weapons, body armour and a gas mask, police said.
A shooting at a synagogue in Pittsburgh last year left 11 people dead. Read more