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.
(With inputs from IANS)