LOWER OXFORD TWP, Pa. (WPVI) -- At least one person was killed and six others wounded in a shooting Saturday night at Lincoln University in Lower Oxford Twp., Pennsylvania, according to authorities.

Chester County District Attorney Chris de Barrena-Sarobe said in a Sunday morning press conference that the shooting occurred outside the university's International Cultural Center during homecoming celebrations following a football game.

"This is a devastating night," Barrena-Sarobe said. "It was a chaotic scene and people fled in every direction."

One person was detained and was in possession of a firearm, Barrena-Sarobe said, adding that it was possible that there might be another shooter.

Officials do not believe that the incident was a planned mass shooting, the district attorney said

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