Update: Gunman Who Injured Two in Wisconsin High School Prom Shooting Dead

UPDATE 1:10 p.m. ET Sunday: ANTIGO, Wis. (AP) — The Latest on a shooting outside of a high school prom in northern Wisconsin (all times local):

A school administrator says he does not believe an 18-year-old who shot and wounded two people outside a high school prom in northern Wisconsin targeted the victims.

Instead, interim district administrator Donald Childs tells The Associated Press he believes the gunman planned to enter the prom and start shooting randomly.

Childs says the suspect, identified by police as Jakob E. Wagner, did not graduate with his class from Antigo High School last year and was continuing to work on his diploma.

Police returned fire, fatally wounding Wagner. The school plans to have counselors available when classes resume Monday.

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UPDATE 12:05 a.m. ET Sunday:

A man who says he was friends with an 18-year-old who opened fire outside a high school prom in northern Wisconsin says the gunman had been in his class.

Authorities say Jakob E. Wagner wounded two prom-goers as they left the dance late Saturday at Antigo High School, about 150 miles north of Milwaukee. An officer returned fire, fatally wounding Wagner.

Eighteen-year-old Dylan Dewey of Antigo tells The Associated Press that Wagner had been dating a girl at the school but that she had broken up with him last month.

Dewey described Wagner as an "all-around good guy" and said he generally seemed happy.

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UPDATE 11:30 a.m. ET Sunday: ANTIGO, Wis. (AP) - Police: Gunman who died after wounding 2 outside Wisconsin prom was 18-year-old Jakob Wagner.

School officials in Wisconsin say officers stationed outside of the high school "prevented what might have otherwise been a disaster of unimaginable proportions."

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UPDATE 10:46 a.m. ET Sunday: ANTIGO, Wis. (AP) - Coroner: 18-year-old man who wounded two students outside of northern Wisconsin prom has died.

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Three people were injured Saturday evening when a gunman opened fire outside of a Wisconsin high school that was holding its prom at the time, authorities told CNN.

Among those injured was the male suspect, WSAW-TV reported. The suspected shooter was among the injured, while the other two injured persons, both students at Antigo High School, sustained minor injuries.

Image source: CNN

The shooting happened outside of the high school at around 11 p.m. Several police officers were already on school grounds to provide security for the dance, Antigo Police Chief Eric Roller told WSAW.

Roller said that when an officer patrolling the parking lot heard the gunshots, he located the lone shooter and immediately fired at him, ending the threat.

"At this point, we feel that we have the subject in custody that was a threat. The community is safe at this point," Roller told WSAW. "We’re also looking at the victims and hope everything comes through okay with them."

Image source: CNN

Still unknown is the suspect’s relationship with the two victims, as well as the motive behind the attack and whether or not he ever attended Antigo High School.

Chief Roller told WSAW that the Antigo Police Department is trained to handle active shooter situations and has held drills in partnership with the school district in the past.

"We regularly train for these situations through the [high] school and we use the different buildings of the school district," he said.

In the hours immediately following the incident, traffic to and from the high school was restricted. Chief Roller said that by 3 a.m., all of the students attending the event were reported to have made it home safely.

"We were able to escort them out of here safely and they’ve all been returned to their families," Roller said.