Protesters marched through Berkeley for a fourth night in the latest demonstration over the deaths of Eric Garner and Michael Brown.
A group of 150 protesters marched past police lines onto a highway.
On November 24, a grand jury's decision was announced not to indict then-Officer Darren White in the fatal shooting of 18-year-old Michael Brown in Ferguson, Missouri.
Last week, New York City police Officer Daniel was not charged in the choking death of 43-year-old Eric Garner in Staten Island.