Gunfire erupted during outdoor festivities at Pennsylvania’s Lincoln University late Saturday, killing one person and wounding six others as students and alumni celebrated homecoming at the historically Black school, authorities said.

A person who had a firearm was detained, and officials are investigating the possibility that there was more than one shooter but don’t believe there is any active threat to the campus, Chester County District Attorney Christopher de Barrena-Sarobe said during a brief news conference early Sunday.

“We don’t have a lot of answers about exactly what happened," he said. “What I will tell you is that today we’re operating as if this is not an incident where someone came in with the design to inflict mass damage on a college campus.”

Authorities say the shootin

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