A noose was found Wednesday in a public gallery at the National Museum of African American History and Culture museum, the second such incident on Smithsonian grounds in less than a week, officials said.
"The Smithsonian family stands together in condemning this act of hatred and intolerance, especially repugnant in a museum that affirms and celebrates the American values of inclusion and diversity," Skorton wrote.
Skorton added that the incident is being investigated by U.S. Park Police. Spokeswoman Sgt. Anna Rose said that police are investigating but she provided no further details.
Police officials said a noose was found hanging from a tree Friday on the grounds of the Hirschhorn Musuem.
"The noose has long represented a deplorable act of cowardice and depravity — a symbol of extreme violence for African Americans. Today's incident was a painful reminder of the challenges that African Americans continue to face,'' Lonnie Bunch III, the museum's founding director, said in a statement.
"This was a horrible act, but a stark reminder of why our work is so important," Bunch said.