SAN FERNANDO (AP) — A  university professor has been charged with peeing on a colleague’s campus office door.

Prosecutors charged 43-year-old Tihomir Petrov, a math professor at California State University, Northridge, with two misdemeanor counts of urinating in a public place. Arraignment is scheduled Thursday in Los Angeles County Superior Court in San Fernando.

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Investigators say a dispute between Petrov and another math professor was the motive.

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The Los Angeles Times says Petrov was captured on videotape urinating on the door of another professor’s office on the San Fernando Valley campus. School officials had rigged the camera after discovering puddles of what they thought was urine at the professor’s door.

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