In Sudan, almost a dozen protesters disappeared in June following a violent crackdown by the security forces or paramilitaries.
In Libya, Seham Sergiwa, an MP and critic of military strongman Khalifa Haftar, has been missing since July after she was forcibly removed from her home in a violent raid.
In Zimbabwe, where doctors have been on strike demanding better pay and working conditions, the president of the Hospital Doctors Association was kidnapped from his home. He was tortured by government forces for three days before being found, in a serious condition, several kilometres outside Harare.