Mangrove Nine
group of British black activists

The Mangrove Nine were a group of British Black activists tried for inciting a riot at a 1970 protest against the police targeting of The Mangrove, a Caribbean restaurant in Notting Hill, West London.
Their trial lasted 55 days and involved various challenges by the Nine to the legitimacy of the British judicial process. They were all acquitted of the most serious charges and the trial became the first judicial acknowledgement of behaviour motivated by racial hatred within the Metropolitan Police.
March on Portnall Road
The Mangrove restaurant, opened in 1968 by Trinidad-born Frank Crichlow, was an important meeting space for the Black community in the Notting Hill area, including for Black intellectuals and activists. It was repeatedly raided by the police, on grounds of drug possession, despite a lack of evidence. In response, on 9 August 1970, the Black community staged a protest, where 150 people marched to the local police station.
Violence between police and protesters led to a series of arrests; after considering a variety of options, including inciting racial hatred under the Race Relations Act and deportation under new immigration rules, they were tried for incitement to riot. The case was thrown out by the presiding magistrate, who found that evidence from 12 police officers showed they equated Black radicalism with criminal intent, but the Director of Public Prosecutions reinstated the charges and the Mangrove Nine were re-arrested in a series of dawn raids.
The Mangrove Nine
The Mangrove Nine were:
Barbara Beese
Rupert Boyce
Frank Crichlow
Rhodan Gordon
Darcus Howe
Elton Anthony Carlisle Inniss , aka Anthony Carlisle Innis, was born in Morvant, Trinidad, in 1947, into a wealthy and educated family. He was sent to England to get an education, and there met his Irish wife.
This brief starts where responsible research should: with the source description of “Mangrove Nine” as group of British black activists. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as group of British black activists. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 28, 2026. The linked authority identifier is Q42609774. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1970, 1968 and 1947.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
How to read it
Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “Mangrove Nine”, its source revision and the description used here.
- Expand the search: follow Mangrove Nine primary sources, Mangrove Nine archive and Mangrove research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “Mangrove Nine”?
- Which cited source is closest to the event, object or claim?
- What terminology or title could unlock a more precise catalogue search?
Search terms from this dossier
This entry incorporates text from “Mangrove Nine” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.