WARREN, Ohio - Police are investigating after several gravestones and veteran's flags were vandalized at the Oakwood Cemetery in Warren.

Oakwood Cemetery Assistant Superintendent Beverly Brown told 21 News she just found out about the vandalism after someone visiting their loved one's grave at the cemetery alerted her to it. She called the police right after receiving this news.

Brown says 13 gravestones were overturned and about three dozen veteran flags and plastic vases were broken.

As of now, there is no indication on who is behind this vandalism or when it happened.

You can take a look at the damage done in the slideshow above.