Ten Confederate flag posters were found on American University's campus Tuesday night. Stalks of cotton were attached to each poster.

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According to University officials, the posters were found in the Mary Graydon Center, Mckinley, and Battelle-Tompkins building.

AU Police and the Office of Campus Life are investigating the incident.

Officials are searching for a man, believed to be in his 40s and was last seen wearing construction gear. He is believed to be a white man, about 5'10" tall. He was last seen wearing a pink shirt, an orange hard hat, camouflage pants, and off-white gloves.

Vice President of Campus Life, Fanta Aw released a statement Tuesday night:

This evening, ten confederate flag posters with cotton attached to them were reported in three locations on campus - Battelle, McKinley and Mary Graydon Center. AU Police and the Office of Campus Life are investigating and we will notify the community when more information is known.We are well aware this act occurred the same evening Dr. Ibram Kendi presented "A Vision for Equality," an introduction to the Antiracist Research and Policy Center. AU is committed to the vision of the Center and Dr. Kendi's work and we will not be deterred by this cowardly attempt at intimidation. If you have any information about this incident, please contact Public Safety at 202-885-2527.

Photos of the Confederate flag posters were posted on social media, causing outrage:

I ask... well once again, why would any person of color want to attend this school? pic.twitter.com/sg9vFtCmVl

— Taé Smoove 🌹 (@DelanteCherry) September 27, 2017

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Members of the AU community gathered on Wednesday, September 27, to discuss the Confederate flag incident. Many students of color expressed safety concerns, fear, and disappointment.

For details about AU's diversity mission and statement, click here.

There is no further information at this time.