The fraternity where a New Jersey student died over the weekend has suspended operations, while an investigation is underway.
According to police, 19-year-old Timothy Piazza was injured when he fell down the stairs at the Beta Theta Pi fraternity house Thursday night.
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However, first responders weren't notified until the next morning.
Piazza died Saturday.
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Police say the fraternity members are cooperating with the investigation.
Piazza of Hunterdon County was an engineering major.