The former university lecturer was a vocal critic of the government and ruling Rwandan Patriotic Front party.
Related stories
Europe’s seas reach record heat as climate change threatens marine life
CBS’s 60 Minutes adds another high-profile hire after firings and exits
Boyfriend of Hayden Panettiere was at apartment when actor died
Republican House Rep caught on doorbell cam rifling through someone’s mailbox
Fenerbahce fight back against Lyon as Greenwood scores Champions League equaliser
Do not cut benefits for disabled young people, dozens of UK charities urge ministers