Colleague Diego Lagomarsino says Nisman feared "for the safety of his daughters".
Blanc is already banned from the UK, Australia, and Singapore, after he was filmed grabbing women by the throat.
The governments of Egypt, Syria and Iraq used real and perceived security threats in 2014 as an excuse to downplay or abandon the rights of their citizens, which ultimately fuelled crises, Human Rights Watch (HRW) said on Thursday (January 29).
Ministry of Justice says data on Mark Duggan, Azelle Rodney and Robert Hamill lost during delivery
A severely cold start to the winter has caused concerns over how well cars across the UK will be able to cope with the increasingly harsh conditions.
Islamic State threatens to kill Jordanian pilot by sunset if Iraqi prisoner Sajida al-Rishawi is not released
New Human Rights Watch report says governments facing crisis ignore human rights
Ginny Porowski invented GoGown to reduce contagion and waste disposal
festival organisers say they want everyone to be able to enjoy the day in safety.
Civilians in many parts of Syria live under the constant fear of government sniper fire.
Teenager Cornick stabbed Corpus Christi Catholic College teacher Maguire seven times.
It comes as the Met Office has issued severe weather warnings for much of the UK.
Furry menace fear for motorists as foxes crave sweet fluid in south-east England.
Justice minister Simon Hughes called to halve the number of women in prison on BBC Radio 5 Live Breakfast
Nice school headmaster reported boy to police after he allegedly praised Kouachi brothers.
Badawi was sentenced to 1,000 lashes and 10 years in prison for advocating free speech on his blog.
'Pretty clear picture' emerging of final moments of AirAsia plane.
Communist Party quizzes cadres over unnatural deaths.
Fans attending Sunday's Super Bowl in Arizona will face tight restrictions on what they can take into the stadium as a huge security operation swings into action to protect the biggest annual US sports event.
Getty Images photographer John Moore returns to Liberia as life begins to get back to normal.
Supermarket reported to be axing more jobs as it attempts to slash costs by 30%
Stalinist regime may have fired up plant which produces plutonium for warheads.
Malaysia Airlines will begin with compensation to the families.
Cafe manager Tori Johnson was killed by gunman Man Haron Monis using a sawn-off pump action shotgun.
Two badly damaged bodies were recovered from the wreckage.
Shocking CCTV footage shows the moment a lollipop man is pushed to the floor and robbed of his stick.
Report shows decline of freedom and rise of terrorism in many countries in the world in 2014.
Security expert claims to have found proof Islamic State uses dark web and bitcoin to fundraise.
Supreme Court orders search engines not to sponsor any advertisement that displays information about pre-natal sex determination.
Iconic central attraction to make way for skeleton of largest animal ever after 35 years.