As Tunisia's elections near, there's been an increase of reports authorities arresting and summoning potential candidates challenging President Kais Saied.

Last week Friday, a judge in a Tunis court put a potential presidential candidate under a gag order and restricted his movements.

Abdellatif Mekki, who served as Tunisia's health minister and was a prominent leader of the Islamist movement Ennahda before founding his own political party, is among a group of former politicians being investigated for the 2014 killing of a prominent physician in the country.

To discuss the political landscape in the country ahead of elections in October this year, Channel Africa correspondent in Tunisa, Imen Bliwa.