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INDIANA, Pa. (KDKA) — Students in the Wallwork Hall dormitory at Indiana University of Pennsylvania were evacuated late Wednesday night due to a fire.

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Emergency officials were first called to the building in the northeast corner of the IUP campus around 11:20 p.m. Wednesday.

The Indiana Fire Association said campus police reported a haze of smoke in the room, but a sprinkler had activated and knocked down the fire by the time firefighters arrived.

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According to the Indiana Fire Association, the fire started in the corner of a bed and appeared be caused by a vape stick. An investigation was underway to determine an official cause.

An IUP spokeswoman said two students lived in the room. She said alternative housing in another dormitory would be offered to both of them.

No injuries were reported.

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IUP campus police evacuated the dormitory after the fire was first reported. The university spokeswoman said those who were evacuated were in the process of returning to their rooms less than two hours later.