ROLLA, Mo. — The Missouri University of Science and Technology has suspended the small Alpha Phi Alpha fraternity and is making students move out of the fraternity house after two new members were hospitalized.

The students were injured Thursday during an event at the fraternity house in Rolla, university spokesman Andrew Careaga said, adding that he couldn’t disclose how the students were injured or the extent of their injuries because it’s under investigation. He also wouldn’t say whether the event in which they were injured was tied to homecoming, which was last week.

Campus police were notified Sunday about what happened, and the university moved Monday to temporarily strip the nine-member fraternity of access to university facilities. Because the fraternity house is university-owned property, the four members who live there must move.

Missouri S&T Chancellor Cheryl B. Schrader said in a news release that “behavior that poses a threat to the health and safety of our students will not be tolerated.”

Officials with the fraternity’s national headquarters said they plan to release a statement but hadn’t yet done so.

Careaga said Tuesday that the worst-case scenario is that the fraternity would be removed from campus after the investigation is completed. He said the investigation doesn’t affect the academic standing of the students.