University 'warned about gunman'

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A professor who taught a student whose gun rampage at Virginia Tech left 32 people dead says she warned university officials about his behaviour. Lucinda Roy said she became concerned after Cho Seung-hui wrote disturbing pieces for a creative writing class. The 23-year-old South Korean has been described as a loner and an introvert. Virginia's governor has vowed to review authorities' handling of the shootings amid claims that the US university did not do enough to protect students. Police said Cho killed 30 people before committing suicide. He is also believed to have killed two students earlier in the day.