Bricks were thrown and bins set on fire on the streets of East London in the early hours of Monday morning. Protestors clashed with riot police in Forest Gate and Stratford.
Riot police were visible in both area, a cordon of police, some with dogs, blocked demonstrators.
The protest, over the death of a man following a traffic stop, saw six police officers injured and four people arrested. Protesters allege 25 year-old Edir Frederico da Costa was "brutally beaten" by met police officers earlier this month. During the protests, people shouted 'we want justice' and 'justice for Edson'.
Responding to criticism, the independent police complaints commission asked the public not to share "false information", saying it could have dangerous consequences.