The Jewish Community Center in Worcester, Massachusetts, was one of several nationwide to be evacuated Tuesday after a threat was made.
Police say children were evacuated from the building on Salisbury Street after a threat to the pre-school before noon.
Investigators searched the building, which was cleared as safe when nothing was found.
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Authorities are working to determine the source of the threat in Worcester. Anyone with information is asked to call (508) 799-8651.