Burundi has been rocked by unrest since April when the ruling party selected incumbent President Pierre Nkurunziza as its candidate for a third term in office. Nkurunziza has since successfully navigated street protests, a failed coup and elections.

But the country was rocked by its worst violence since the start of the crisis on December 11, a day dubbed locally as "Black Friday". Insurgents clashed with loyalists at three military camps before security forces unleashed a crackdown in pro-opposition neighbourhoods.
Our team on the ground probed allegations of summary executions and mass graves.
Some of the witnesses they spoke to preferred to remain anonymous for security reasons.
Warning: This report contains graphic images.

Visit our website:
http://www.france24.com

Like us on Facebook:
https://www.facebook.com/FRANCE24.English

Follow us on Twitter:
https://twitter.com/France24_en