Government forces and ruling party treating suspected opponents with 'extreme cruelty and viciousness'.
Rebels FOREBU and RED-Tabara are behind targeted killings according to Human Rights Watch.
Rights group claims thousands face violence at the hands of governments and militant groups in 2015.
IBTimes UK asks opposition, human rights defenders and local residents their opinion on UN visit.
Ban Ki-moon on official visit as part of ongoing UN efforts at resolving Burundi's political crisis.
EXCLUSIVE: IBTimes UK speaks to collective's founder about blogging to testify civil war.
EXCLUSIVE: Marie Louise Baricako and Vital Nshimirimana slam international community's inaction.
Decision comes days after US criticised 'Rwanda's destabilising activities' in Burundi
'Human suffering could dwarf' what has taken place in Burundi, US Special Envoy Tom Perriello warns.
IBTimes UK profiles the five heads of state and analyses what impact they may have on Nkurunziza.
Philip Edward Moore has spoken about his 'baseless' detention for the first time.
UN experts claims leaked memo accuses Rwanda of recruiting and training Burundian refugees.
AU leaders discussed terrorism in Libya, violence in Burundi and withdrawing from the ICC
Opposition described decision of AU as 'a total deception' and warned of potential violence
African Union drops plan to send 5,000 troops to stop Burundi from spiralling into anarchy.
Amnesty claims mass burial sites used to cover-up killings are 'surveilled' by men.
UPDATE: Jean-Philippe Rémy and Phil Moore were released by Burundian regime in Bujumbura
UPDATE: Human Rights Watch urges for liberation of Jean-Philippe Rémy and Philip Edward Moore
'Manipulations and misrepresentations of reality have always fuelled conflict in Burundi' he said.
Envoy Ndayishimiye said there is no need to send troops to Burundi because peace prevailed.
Gbagbo is charged with crimes against humanity, including murder, rape and persecution.
Forceful arrest of Ligue Iteka's treasurer prompts #FreeMarieClaudette campaign.