EAGLE ROCK, LOS ANGELES (KABC) -- A Sept. 11 memorial was vandalized on a local college campus in Eagle Rock on the day of the terror attack's 15th anniversary.On Saturday night, 2,997 American flags were placed in the quad of Occidental College by a student organization called Occidental College Republican Club. One flag was placed for each of the 9/11 victims who died.By early Sunday morning, the memorial was vandalized with flags found in the garbage and others destroyed. Posters shaming the victims of 9/11 were also found.Later that day, four students crushed and snapped several of the flags in half.Even after the flags were placed back in the ground, vandals returned to damage hundreds of them again.Students from the group were standing guard the rest of the day to protect the memorial.The school issued a statement to students and said that it plans to discipline those responsible for the crimes.The statement read in part: