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One Direction at the BRIT awards Feb. 19. An Atlantic County man was sentenced after admitting to threatening to "blow up" Hersheypark Stadium if the band One Direction played its show.

(Anthony Harvey/Getty Images)

An Atlantic County man was sentenced Tuesday to eight months in jail after pleading guilty to threatening to "blow up" Pennsylvania's Hersheypark Stadium if the popular band One Direction played its show last July.

William H. Klein, 47, of Northfield, called Hershey Entertainment and Resorts around 9:52 p.m. July 5, 2013 and said, "If One Direction plays tomorrow, the stadium will blow up," according to a news release issued by the U.S. Attorney's Office for the Middle District of Pennsylvania.

The stadium was put on lockdown before the concert, and a bomb sweep was performed, the release said. A bag check was performed on all patrons entering the venue.

An investigation determined the bomb threat was placed from a pay phone outside a 7-Eleven store in Northfield, a small city located approximately 7 miles west of Atlantic City. Authorities identified Klein through video surveillance.

He pleaded guilty to interstate communication with threat to injure. Klein was sentenced to eight months' imprisonment followed by two years of supervised release with two months to be served on home detention with electronic monitoring.

One Direction is a pop boy band based in London and is best known for songs "Kiss You," "Best Song Ever" and "What Makes You Beautiful."