What could have turned into a harrowing — and all-too common — scenario has deescalated peacefully.

Youngstown State University just lifted a lockdown after a man accused of pulling a gun on another man turned himself in.

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The suspect is now in police custody, many news outlets are reporting.

Classes resumed at 3 p.m. EST.

The incident occurred at 11:10 a.m. inside the Kilcawley Center at on the campus of YSU.

Police said a student and non-student were arguing when the non-student pulled a gun on the student.

Many people were nearby when it happened, according to reporting from WKBN-TV, a CBS-affiliated station.

“It was a lot of yelling, and pushing and shoving,” a Youngstown officer said.

No shots were fired and no one was harmed.

In addition to the lockdown at YSU, lockdowns were also placed on the Youngstown Community Health Center, Choffin Career and Technical Center downtown, St. Elizabeth’s Hospital, and the main library.

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Tragically, lockdown drills are now the new normal at schools and college campuses across the country in the wake of the horrific school shooting in Parkland, Florida — where a gunman killed 17 people and wounded 15 others at a high school on Valentine’s Day 2018.

In addition to the lockdown at YSU, lockdowns were also placed on the Youngstown Community Health Center, Choffin Career and Technical Center downtown, St. Elizabeth’s Hospital, and the main library.

The suspect in Youngstown, a black man with a gun, was described as wearing a red hoodie with white lettering on it.

He has dreadlocks and a black backpack, said WKBN.

In the meantime, YSU had been sending students and parents alerts in real time.

1:13 p.m. — UPDATE: The campus lockdown has been lifted. The suspect has turned himself in and is in custody. All classes will resume at 3 pm. Thank you for your cooperation.

12:01 p.m. — UPDATE: Campus remains in lockdown. Police are still investigating. No reported injuries. Will provide updates as available.

12 p.m. — THE SUBJECT WE ARE CURRENTLY LOOKING FOR IS A BLACK MALE, RED HOODIE, WITH RED AND WHITE LETTERING, DREADLOCKS, AND A BLACK BACKPACK.

11:33 a.m. — ALL EXTERIOR DOORS ARE TO BE LOCKED. ALL OFFICE DOORS LOCKED. SHELTER IN PLACE TILL FURTHER NOTICE.

11:31 a.m. — THE CAMPUS IS IN LOCKDOWN. A SUSPECT IS CURRENTLY AT LARGE WITH FIREARM . LAST SEEN BY REC CENTER.

YSU is a public university with some 15,000 students.

The city of Youngstown itself is set along on the Mahoning River, about 65 miles southeast of Cleveland, Ohio.

Elizabeth Economou is a former CNBC staff writer and adjunct professor.