A protest is occurring at Guanabara Palace (State Governor's Mansion) in the Centro neighborhood. Separately, there are reports of a police operation in the Pavao-Pavaozinho community in Copacabana. Local authorities have exchanged gunfire with suspected criminals in Pavao-Pavaozinho and there are reports of injured persons.
These events are not directed at U.S. citizens or other U.S. interests, but individuals should avoid travel through these areas, plan on using alternate routes as necessary, and monitor media reports for when the areas are clear.
Source: Overseas Security Advisory Council