The Associated Press

Protesters smashed business windows on the edge of downtown Oakland, Calif. and tore ornaments and lights from a large Christmas tree in a protest designed to keep police working on Christmas Day.

The protest was called "#notimeoff," according tweets from some of the participants. It was the latest demonstration in the Bay Area following grand jury decisions to not indict white police officers in the killings of unarmed black men in Missouri and New York.

Over the last several weeks, protesters have blocked freeways, set fires and smashed windows of businesses in Oakland and Berkeley, Calif.

Organizers of the Christmas evening protest said the rally was held because protesters didn't want the holiday to stop them from trying to end institutional racism in police departments.

Dozens of protesters marched through downtown Oakland, and some tore ornaments and lights from the large Christmas tree in Jack London Square, according to The San Francisco Chronicle.They destroyed the windows of a BevMo and Subway restaurant, according to the newspaper. California Highway Patrol officers blocked freeway on-ramps.

No arrests were reported. Another protest is planned in downtown San Francisco Friday. Organizers say they don't plan to vandalize property.