Florida State University is now the latest American institute marred by a school shooting.
The gunman entered FSU's Strozier Library just after midnight on Thursday morning and opened fire.
Hundreds of students studying for final exams ran away or hid. Many were rushed out of the library by university personnel.
The intense situation was caught on film by many hiding students, including an SFW cell phone video from inside the library (below).
Police arrived a few minutes after the first shots and confronted the gunman. Tallahassee Police spokesperson Dave Norway said: