NEW HAVEN, Conn. (WTNH) — New Haven police are investigating after a high school athletic complex was vandalized.

New Haven Police Media Liaison David Hartman tells News 8 that spray-painted images of swastikas and references to President-elect Donald Trump were found on walls and equipment at the Wilbur Cross High School Athletic Complex.Related Content: Hate speech & graffiti reported up in Connecticut

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Police say around noon on Saturday, the complex was secured. Forty-eight hours later, staff found the vandalism. Police say they didn’t find any evidence that the perpetrators forced their way in and that it’s possible a door was left unlocked.

New Haven Public Schools sent News 8 the following statement:

On Tuesday, November 22, New Haven Public Schools employees discovered election-related vandalism, perpetrated at the Wilbur Cross High School Athletic Complex. According to New Haven Police Department, the vandalism included spray-painted swastikas and references to Donald Trump on walls and equipment. The graffiti was not visible from the street. Once discovered, District officials took all the necessary steps to ensure the graffiti was removed in all locations and to maintain the safe and calm school climate.

District officials are supporting the NHPD’s investigation of this instance of vandalism and are sending the attached letter home to parents, in light of recent events.

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New Haven police are investigating to find out who is responsible. Anyone with information is asked to call police at (203)946-6304. Calls may be made anonymously.