A defaced billboard of former Gabon President Ali Bongo Ondimba is seen on an empty street of Libreville, Gabon, 30 August ...

The arrests on Tuesday came days after she and her husband, Gabon's former leader Ali Bongo Ondimba, testified in a French court.

Three relatives of deposed first lady of Gabon Sylvia Bongo have been arrested in an anti-drug operation in the country.