One woman was killed and two men injured Tuesday in a shooting following a high school graduation on a college campus in New Orleans, authorities said.

As the commencement ceremony for Morris Jeff High School wrapped at 11:45 a.m. at the Xavier University of Louisiana, police said two women got into an altercation in the parking lot of the private university’s convocation center and somebody began shooting, said Chris Goodly, deputy superintendent for the New Orleans Police Department. 

All three victims were taken to an area hospital, where the injured woman was pronounced dead. The New Orleans Police Department is investigating the incident as a homicide.

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The injuries of the two men – one was struck by a bullet in the shoulder and the other in his leg – are not considered to be life-threatening, Goodly said. He called the incident “a senseless act of violence.”

Investigators detained at least three people at the scene for questioning but had not made any arrests as of Tuesday afternoon. Law enforcement reported finding guns at the scene, Goodly said, adding that the investigation is still in its early stages. 

The ages of the victims were not immediately released.