CAMBRIDGE, MASS. (WHDH) - Authorities are investigating after a frat house on the MIT campus was struck by gunfire early Tuesday morning, officials said.

State police detectives and a ballistics unit responding to the Phi Beta Epislon fraternity on Memorial Drive in Cambridge found shattered glass and shell casings scattered all over the ground.

Freshman Nick West says he was hanging out in his dorm room when he was suddenly startled by a barrage of gunfire.

“It was about one, two o’clock,” he said. “A bunch of friends were just hanging out and we just heard three rapid, loud bangs.”

Although a bullet shattered a first-floor window pane, there were no reported injuries.

MIT student Andrew Krause says he was shocked to learn about the incident.

“It just seems ridiculous,” he said. “It’s just very surprising based on how safe the campus usually is.”

Detectives could be seen scouring the scene on Tuesday, collecting evidence that was left behind.

No additional details were immediately available.

An investigation is ongoing.

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