The library at Pima Community College's downtown campus remains closed after a break-in and shooting there early Sunday morning.
Summer school students were back on campus today, and they saw a boarded-up door.
That is where police say a man broke in and shot himself.
Officers say that on July 23, a caller reported shots fired near Pima Community College's downtown campus.
When crews arrived on the scene, they discovered the student union had been broken into. While inside, they heard a gunshot and decided to exit the building and wait for the SWAT team to arrive.
SWAT and K-9 9 officers found a man in the library where they say he shot himself.
The man was taken to the hospital.
PCC released a statement saying classes would be held on Monday, but the library would remain closed for repairs.
It remains unclear why the man shot himself or whether or not he was a current student.
Police have not released his identity because he remains in the hospital.
The investigation into the incident is on-going, but they officers believe it was an isolated incident.
The college recommends people sign up for their alert system so they can be informed of any incident around their campuses.