A Chabad centre on the campus of the University of Delaware has been set alight in what investigators are now treating as arson.
The Chabad Centre for Jewish Life in Newark was damaged by fire after 11pm on Tuesday. Firefighters were able to quell the flames and the building was unoccupied.
The fire is said to have caused an estimated $75,000 (£56,500) in damage. A criminal investigation is underway.
Democratic presidential candidate Joe Biden tweeted that he had found the news “deeply disturbing – as an alum of [University of Delaware] and as an American.