CLAREMONT (CBSLA.com) — A Claremont McKenna College student died last week after possibly “huffing” nitrous oxide.

Ali Wallace Mirza, 19, of Westport, Conn., died at the hospital around 2 a.m. Friday after he was found unresponsive in his room, said Ed Winter of the Los Angeles County coroner’s office.

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Police said they found empty nitrous oxide canisters in the dorm, according to the Los Angeles Times.

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An autopsy was conducted, but the cause of death was deferred pending additional tests.

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