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LANCASTER, Pa. (KDKA) — A man was reportedly caught on security footage burning American flags outside a Pennsylvania high school Thursday.

Lancaster Online reports that a number of American flags were placed outside Lancaster Catholic High School for Veterans Day this week. When staff arrived at the school early Thursday, they found a pile of ash outside the front doors.

When police checked security footage, a male could be seen burning flags just after 1 a.m. About 10 flags were burned and 10 more were damaged, according to police.

According to Lancaster Online, no one has been charged, and police are investigating.