1. In August 1970, a march was organised to protest about the police harassment of the Mangrove restaurant
2. The BBP helped to organise this march and over 150 people took part
3. The police arrested several people including Frank Crichlow, Darcus Howe and Altheia Jones-LeCointe, claiming that they were inciting racial violence
4. Nine of the marchers were charged with inciting a riot and became known as the "Mangrove Nine"
5. Their trial took place at the Old Bailey and attracted huge media coverage
6. During the trial, the defendants argued that the jury should be black 'as their peers' but only two black jurors were selected
7. Howe and Jones-LeCointe defended themselves
8. The trial focused on the police brutality and racism, and showed the Mangrove Nine as victims
9. All defendants were acquitted of the most serious charges, and four of the Mangrove Nine were given suspended sentences for minor offences