12:30 p.m.

An 18-year-old Northern Arizona University student accused of fatally shooting another student and wounding three others faces an initial court appearance in Flagstaff Friday afternoon.

University officials said Steven Jones was arrested immediately after the shooting and faces one count of first-degree murder and three of aggravated assault.

Police said the shooting occurred early Friday morning in a parking lot near a dorm following a confrontation between two groups of students.

Delta Chi executive director Justin Sherman said that the four victims were members of the fraternity. Sherman also said the suspect was not a member.

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11:50 a.m.

A Northern Arizona University student who was killed in an overnight campus shooting loved to play lacrosse and wanted to be successful so he could help others.

Ryan Jernegan, of Woodbury, New Jersey, says his cousin, Colin Brough, was “the happiest person that you probably would ever meet.”

Jernegan says he and Brough were close growing up and reunited during a chance meeting in Las Vegas in June.

Jernegan says now he keeps thinking how lucky he was to spend those days with him.

Brough was killed in a shooting that left three other students wounded.

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11:20 a.m.

The four victims in the overnight shooting at Northern Arizona University were all members of the same fraternity.

Delta Chi executive director Justin Sherman said in a letter in the aftermath of the shooting that Colin Brough, Nicholas Prato, Kyle Zientek and Nicholas Piring were members of the fraternity.

The alleged gunman was not a member of the fraternity.

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11:05 a.m.

Northern Arizona University says an error in its alert system kept some people on its distribution list from getting an initial message warning of an active shooter.

The university says its police department was notified at 1:20 a.m. of shots fired and responding police had the suspect detained two minutes later.

The initial alert sent at 1:30 a.m. warned of an active shooter and an “imminent threat” and advised people to avoid the area where the shooting took place and “take immediate cover.”

The university says an error resulted in only “partial distribution” of the initial alert. University spokesman Eric Dieterle declined to elaborate or to say how many people didn’t get the initial message.

A final all-clear message was sent to the entire campus at 2:52 a.m.

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11 a.m.

Northern Arizona University officials say campus police had the suspect in an early morning fatal shooting in custody within two minutes of first word of the incident.

A statement released by the university said NAU police were notified at 1:20 a.m. of shots fired and that the suspect was detained and the situation secured at 1:22 a.m.

The statement didn’t say what was going on at the shooting scene in a campus parking lot when police arrived.

Emergency medical personnel were on the scene a 1:33 a.m.

The university said one student was killed and three others wounded and that the suspect is a fellow student.

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10:20 a.m.

Officials say a student who was fatally shot at Northern Arizona University was from Colorado.

Douglas County Schools say that Colin Brough, who was killed in the shooting that wounded three others early Friday, graduated from Castle View High School in Castle Rock, Colorado, in 2013.

Spokesman Randy Barber says a crisis team has been sent to support students and staff at the high school about 30 miles south of downtown Denver.

Authorities say the shooting erupted in a confrontation between two student groups.

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8:30 a.m.

Authorities have released the names of the victims in the overnight shooting at Northern Arizona University.

The student who died was identified by the school as Colin Brough. The victims being treated at Flagstaff Medical Center are Nicholas Prato, Kyle Zientek and Nicholas Piring.

Police say the shooting erupted in a confrontation between two student groups.

The parking lot where the shooting happened is just outside Mountain View Hall dormitory on the Flagstaff campus, which provides housing for many of the campus’ sororities and fraternities.

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7:30 a.m.

Arizona political leaders say the city of Flagstaff and Northern Arizona University are in their thoughts and prayers after a campus shooting left one person dead and three others wounded.

Gov. Doug Ducey said the incident, which officials say began as a fight between groups of students, was “heartbreaking” and that the state stands ready to help in the investigation and response.

Congresswoman Ann Kirkpatrick lives in Flagstaff. She said her heart and those of other Flagstaff residents are hurting. But she expressed confidence that the city “will only grow stronger in difficult moments like these. ”

Sens. John McCain and Jeff Flake also expressed sympathy for the victims, their families and the Flagstaff community.

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6:45 a.m.

A fraternity says some of its members were involved in an early morning shooting involving Northern Arizona University students in Flagstaff.

University officials said the shooting Friday in a parking lot left one person dead and three others wounded. The suspected shooter is in custody.

Iowa City, Iowa-based Delta Chi Fraternity said Delta Chi members were involved, but Executive Director Justin Sherman said in the statement that the organization doesn’t have detailed information about the identity of the victims.

Sherman said it was an isolated incident and not fraternity related.

The shooting occurred near a large residence hall that the university’s website says is home for most students in the Greek system on campus.

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6:30 a.m.

Police say the shooting at Northern Arizona University that killed one student and wounded three others began as a fight between two groups.

University police chief Greg Fowler identified the suspect as 18-year-old Steven Jones. He is believed to be a freshman at the Flagstaff school.

The shooting happened at 1:20 a.m. in a parking lot outside a dorm. The university called the shooting an “isolated and unprecedented” incident and said classes will go on as planned Friday.

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