Cameroon's main opposition says it will disrupt a presidential poll later this year over claims of government manipulation ahead of the vote.
The Social Democratic Front said Friday it will disrupt a vote scheduled for October because of repression and acts by the electoral board.
Five candidates have expressed intent to run.
Journalists and activists say they have faced intimidation in recent months. Public meetings have been banned in some parts of the country. And Twitter was suspended last February to prevent planned demonstrations against President Paul Biya.
Biya has held in power for 28 years and is considered one of Africa's remaining strongmen. In 2008, parliament changed the country's constitution to remove term limits.