Five appeals have been lodged over Cameroon's presidential election in which incumbent Paul Biya is seeking an eighth term, but none from top rival Issa Tchiroma Bakary who claims victory, state TV said.

Official results from Sunday's poll are due within 10 days.

Under electoral rules, appeals must be submitted in the three days following a vote.

"Five appeals in total filed with the Constitutional Council to date," CRTV state television announced late on Wednesday, saying they included a call for the vote to be cancelled, citing electoral malpractice.

Former minister yet to file an appeal

Tchiroma, 79, a former employment minister, has not filed an appeal.

Reports proving "the truth of the ballot boxes" will be published online in the coming days, Tchiroma's campaign manager, Chris Maneng, said.

Videos on social media show tensions between Tchiroma supporters and law enforcement officers near the offices of the electoral commission in the western city of Bafoussam and the economic capital Douala.

Fourteen people were arrested in Douala, local official Sylac Marie Mvogo told CRTV on Thursday.

2018 first runner-up barred

During the last presidential election in 2018, all appeals contesting the result were rejected.

In August, members of the Constitutional Council barred Biya critic Maurice Kemto from standing in the presidential election.

Kemto, who came second in the 2018 vote according to the official results, had declared victory the day after the poll.