Joseph Oduro, 21, said he was leading an economics study session for about 60 students when a masked man entered the room and started shooting.

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A typical Saturday night on the Ivy League campus was shaken by the killing of two people and the wounding of 9 others.

© Christopher Capozziello for The New York Times

Two people were killed and nine others injured during an attack on the Rhode Island campus. Officials were searching early Sunday for a gunman suspected in the shooting.

© Mark Stockwell/Associated Press

Here’s what to know about the Rhode Island university, where a shooting on Saturday killed two people and injured eight others.

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The university warned students to hide in an alert late Saturday afternoon. A suspect was not in custody, university officials said, correcting an earlier posting.

© Eden Ambaye