Burundi opposition leader released after days in police custody

The head of one of Burundi's opposition parties has been released, days after he was arrested for what police said was collaborating with "armed gangs", a spokesman for an opposition coalition said on Tuesday. The central African state has been in a political crisis and sporadic violence for more than a year, sparked by President Pierre Nkurunziza's decision to run for a third term in office, which he secured in a disputed election in July 2015. Gervais Niyongabo, chairman of the opposition FEDE