A recent incident at the Lincoln Memorial Reflecting Pool has caused damage to a foam sealant. The damage occurred when the liner at the bottom of the pool was cut with a sharp object. The National Park Service reported that the incident happened on June 9.

The cut was made with a sharp knife or razor, according to the agency. Further details about the incident are available from the National Park Service, including information about a rehabilitation project valued at $16 million that was affected by the damage.