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LSU's Baton Rouge campus

Update: LSU police officers searched the area, but didn't locate any suspicious or armed person, according to a second university alert.

"LSU is returning to normal operations," the second alert said.

Original: Shortly after 8:30 p.m. Monday, the LSU Police Department reported, on its text alert system, that it had received a report of a suspicious person, possibly armed, on campus.

The police, who said they were on the scene, said the person had been sighted, near Dalrymple Drive and West Fraternity Lane, and urged people to use caution in the area.

This is a developing story.