Further protesters stood in front of Cincinnati police headquarters.
Protests were sparked by the Minneapolis death of George Floyd, an unarmed black man who died in police custody while restrained by a police officer who kept a knee on his neck.
Cincinnati police asked residents to avoid the downtown and Over-the-Rhine areas due to several groups behaving violently.
WCPO-TV reported that protests began at the Hamilton County Courthouse before going to Washington Park, then up to the interstate.
>>George Floyd protesters set Minneapolis police station afire