The carnival, due to be held in July, is one of the country's biggest celebrations of Afro-Caribbean culture. But a community group objects to the way it is being run and that the main events will now be in Portland Square, outside St Paul's itself.
Artistic co-ordinator Julz Davies says he's stepping down because he says local people have not been kept informed.
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Unsettled outlook for the rest of the weekend
Unsettled, windy and showery outlook
Lifeguards are back patrolling some of the west country's busiest beaches from today for the summer season.