Three people were killed and at least five were injured in an on-campus shooting at Michigan State University, the university police has confirmed.
The first shots were fired inside a hall at 8:18 p.m. (0118 GMT) at the north end of campus on Monday night, university spokeswoman Emily Guerrant said at a press conference.
Gunshots were later heard at a nearby hall, Xinhua News Agency reported.
Police are searching for the suspect, who is believed to be a short male with a mask.
The university has sent a message asking students to “secure in place immediately.” “Run, hide, fight,” was heard at the scene.
Nearly 30 firetrucks, ambulances and other emergency vehicles swarmed the campus.