New Hampshire ? A college student shot and wounded his roommate early Friday in their off-campus apartment, then killed himself as police tried to enter his bedroom, authorities said.

Police went to the apartment after getting a call from a man who said he had just been shot and had fled to a friend’s home nearby, police Lt. Jay Duguay said.

The officers found the caller’s roommate, 21-year-old sophomore Michael Dyke, in his bedroom at the apartment, about a quarter-mile from the Keene State College campus, authorities said.

“Words were exchanged; they attempted to enter the room and Mr. Dyke fired one shot and killed himself,” County Attorney Peter Heed said.

The incident appeared to be isolated, with no known motive, Heed and school officials said.

Heed said alcohol might have been involved, and an autopsy and toxicology tests were planned.

The caller – junior Jason Lillibridge, 20 – was wounded in the buttocks and was hospitalized in fair condition, Duguay said.