The building at 15 State St./45 Devonshire St., known as the Easton Building, is owned by the National Park Service, which also owns the adjacent Old State House, Faneuil Hall, and the Freedom Trail.

Anyone with information is urged to contact state police at 617-727-6780. In a joint statement, Gov. Maura Healey, House Speaker Ron Mariano and Senate President Karen Spilka decried the vandalism.

The building at 15 State St./45 Devonshire St., known as the Easton Building, is owned by the National Park Service, which also owns the adjacent Old State House, Faneuil Hall, and the Freedom Trail.