Amnesty International condemned on Wednesday “the deteriorating human rights situation” in Guinea since January 2015, including killing of dozens in protests as a presidential ballot fast approaches in 2020.

Warning of rising political tensions due to public concern that President Alpha Conde would change the country’s constitution to run a third term, a report by the human rights group documented the killing of some 70 protesters and bystanders, as well as at least three security force members.

Read more: 70 killed in Guinea protests since 2015: Amnesty