"The protest, while very offensive, was not unlawful," a press release from the Evendale Police Department said.

The people with the flags could be seen on traffic cameras displaying around six black flags with a bright red swastika in the middle. The people displaying the flags appeared to be dressed in all black clothing,

Traffic camera images show people in all-black clothing with red face masks displaying flags with a red swastika in the middle, some carrying rifles.