A court in Congo Republic on Tuesday threw out a challenge to opposition leader Paulin Makaya's prison sentence for his role in protests against a third term for President Denis Sassou Nguesso. Makaya...
Government officials accuse Mumbere, a traditional leader of the Bakonzo people, of seeking to create a separate state.
"The issue is about access to rehabilitation programmes," department for correctional services spokesman Manelisi Wolela said.
Police in riot gear broke up the planned march in the commercial capital Abidjan as demonstrators were gathering early on Thursday.
The government has said 21 inmates died in the blaze that ripped through the Qilinto complex on Saturday.
The case was part of a bid by authorities to ensure stability ahead of a presidential election in December and protect Ghana's image.