Burundi president pierre nkurunziza
Former Burundi president to be buried in state funeral
Pierre Nkurunziza, who ruled the country for 15 years, died at the aged of 55 of what the government said was "heart failure".
President Pierre Nkurunziza is stepping down, although he intends to remain a prominent force in the impoverished East African nation.
The tiny East African nation is struggling to come to terms with a violent past, characterised by colonial occupation, civil war and decades of intermittent massacres.
Ndayishimiye, 52, also heads the department of military affairs in the president’s office and has served as minister of the interior and security.
There has been an outcry on social media over the arrests, with many calling for the girls' release and an end to what has been called censorship in the east African country.
The government on Wednesday sent a verbal note to resident UN coordinator Garry Conille to transmit the message to the rights council's High Commissioner Michelle Bachelet in Geneva.
Burundian Ambassador Renovat Tabu said the departure of the UN team had been spun to cast his government in a bad light.
The electoral commission reported that 73% had voted in favour of amendments extending the presidential term from five to seven years and allowing President Pierre Nkurunziza to seek two more terms.
Burundi is due to hold a referendum on 17 May to decide whether to amend the constitution to extend presidential terms to seven years from five.
The comments by Melchiade Nzopfabarushe, made during a rally on Sunday to party members in his native village, came amid increased political jitters in Burundi.
The referendum will decide whether to amend the constitution to extend presidential terms to seven years from five.
Civil servants will sacrifice a tenth of their salaries to finance the poll where President Pierre Nkurunziza plans to run for a fourth term.
The commission said there were reasonable grounds to believe that crimes against humanity had been committed since April 2015.
At least 700 people have been killed in clashes between President Pierre Nkurunziza's supporters and his opponents since April 2015.
Emmanuel Niyonkuru, 54, was attacked as he travelled home in the central African nation’s capital Bujumbura.
Willy Nyamitwe was returning home on Monday night when he was met with gunfire and grenade explosions.
Human rights groups been a new intensification of repression and crimes against opponents of President Nkurunziza.
Most of those affected are in five provinces in the north and east of the central African country.
Burundi dismissed a UN decision to establish an inquiry to identify perpetrators of killings and torture.