FSU shooting latest: At least 1 dead, 6 injured; suspect in custody

(TALLAHASSEE, Fla.) — At least one person was killed and six others were injured in a shooting at Florida State University in Tallahassee on Thursday, multiple law enforcement sources told ABC News.

One person is in critical condition and five are in serious condition, according to Tallahassee Memorial HealthCare.

The number of injured is subject to change, sources told ABC News, as law enforcement is actively searching to determine how many might be injured.

A suspect is in custody, multiple sources told ABC News, adding that the search for possible additional shooters is ongoing.

The shooting took place near the Student Union, according to an FSU Alert, which had advised students to continue to shelter in place due to reports of an active shooter.

Student Daniella Streety told ABC News she was in the building across the street from the Student Union when alert sirens started blaring, and people who were standing outside ran into her building.

Students then fled from the Student Union as law enforcement flooded the scene, she said.

Fred Guttenberg, whose 14-year-old daughter, Jaime, was killed in the Parkland high school shooting in South Florida in 2018, said some of Jaime’s classmates now attend FSU.

“Incredibly, some of them were just a part of their 2nd school shooting and some were in the student union today,” Guttenberg, who has become a gun reform supporter, wrote on social media. “As a father, all I ever wanted after the Parkland shooting was to help our children be safe. Sadly, because of the many people who refuse to do the right things about reducing gun violence, I am not surprised by what happened today.”

The Florida Department of Law Enforcement said it’s “actively engaged in the incident.” The FBI is also assisting authorities at the university, an agency spokesperson told ABC News.

President Donald Trump has been briefed on the shooting, according to White House press secretary Karoline Leavitt.

FSU said classes are canceled through Friday.

Leon County public schools have been placed “on lockout as a precaution,” according to the school district.

Department of Homeland Security Secretary Kristi Noem said, “My heart breaks for the students, their families, and faculty at Florida State University. There is no place in American society for violence. Our entire nation is praying for the victims and their families.”

This is a developing story. Please check back for updates.

ABC News’ Sony Salzman and Luke Barr contributed to this report.