Russian President Vladimir Putin expressed his condolences to the slain politician’s relatives and ordered the Investigative Committee, the Interior Ministry and the Federal Security Service to set up a special investigative team. "Putin emphasized that this brutal murder has all signs of being ordered and is of an exclusively provocative character," Kremlin spokesperson Dmitry Peskov said.
Vladimir Putin has sent a message of condolence to Dina Eidman, Boris Nemtsov's mother
— President of Russia (@KremlinRussia_E) 28 февраля 2015
Prime Minister Dmitry Medvedev called on law enforcement to do their best to find those accountable for the “brutal murder of the prominent politician”.
Boris Nemtsov was an outstanding individual and a man of principle. This is how we will remember him
— Dmitry Medvedev (@MedvedevRussiaE) 28 февраля 2015
US President Barack Obama condemned the “brutal murder” and called on Russia to conduct a transparent investigation into the crime.
Statement by the President on the Murder of Boris Nemtsov: pic.twitter.com/NqPmRcRhIO
— The White House (@WhiteHouse) 28 февраля 2015
French President Francois Hollande expressed his condolences to the family of Boris Nemtsov, a “courageous and tireless defender of democracy and a fierce fighter against corruption”.
Le président @fhollande dénonce l'odieux assassinat de Boris Nemtsov, défenseur de la démocratie, cette nuit à Moscou pic.twitter.com/UPVeZpqcr9
— Élysée (@Elysee) 28 февраля 2015
Ukraine’s leader Petro Poroshenko said that killed Russian opposition politician Boris Nemtsov was a bridge between Russia and Ukraine that has now been destroyed. "He was a bridge between Ukraine and Russia. The murderers' shot destroyed that. I think it was not coincidental. I do not doubt that the killers will be punished. Sooner or later," Poroshenko wrote on his Facebook page and Twitter.
Shock. Borys was murdered. It is hard to believe. I have no doubt that murderers will be brought to justice. Sooner or later. Rest in peace.
— Петро Порошенко (@poroshenko) 27 февраля 2015
British Prime Minister David Cameron asserted that Boris Nemtsov's values would never die.
PM: Appalled by callous murder of Boris #Nemtsov. A man of courage and conviction. His values will never die. http://t.co/WvFk4KyrSj
— UK Prime Minister (@Number10gov) 28 февраля 2015
German Chancellor Angela Merkel was "shocked by the insidious murder" and called on Russia to bring the criminals to justice.
"Merkel extends her condolences to the family [of Nemtsov] and calls on President Vladimir Putin to facilitate a speedy investigation and to prosecute those responsible," a German government spokesman Steffen Seibert said in a statement.
Kanzlerin #Merkel bestürzt über hinterhältigen Mord an @BorisNemtsov, würdigt den Mut des Oppositionspolitikers. http://t.co/vyxyS5wSkL
— Steffen Seibert (@RegSprecher) 28 февраля 2015
Italy's President Sergio Mattarella addressed his condolences to Nemtsov's family and the people of Russia. The Italian leader expressed hopes that "the perpetrators of the heinous act will soon be brought to justice".
Finnish Prime Minister Alexander Stubb demanded an urgent and transparent investigation into Boris Nemtsov's murder.
I condemn the murder of the #BorisNemtsov in Moscow. Transparent investigation needed. Sincere condolences to his family.
— Alexander Stubb (@alexstubb) 28 февраля 2015
Former Yukos head Mikhail Khodorkovsky took Nemtsov’s death personally. “The death of Boris — grief for me and my family. We all loved him. Reckless, but a very nice guy”, he wrote on Twitter.
Гибель Бориса — горе для меня и моей семьи. Мы все его любили. Бесшабашного, но очень хорошего парня.
— Ходорковский Михаил (@mich261213) 27 февраля 2015
US Secretary of State John Kerry asserted that Nemtsov had committed his life to a democratic Russia, and to strong relationships between Russia and its neighbors and partners, including the United States. "His absence will be deeply felt in Russia and around the world," Kerry's statement said. "I am shocked and saddened to learn of the brutal murder of former Russian Deputy Prime Minister Boris Nemtsov in central Moscow”.
.@JohnKerry: I am shocked & saddened to learn of brutal murder of former #Russia Deputy Prime Minister Boris Nemtsov. http://t.co/VDmnheS2so
— Department of State (@StateDept) 28 февраля 2015
Prime Minister Stephen Harper extended deepest condolences to Nemtsov’s family on behalf of Canada.
Canada extends our deepest condolences to Mr. Nemtsov’s family & friends. Read my full statement here: http://t.co/gPfaH0mMrB #cdnpoli
— Stephen Harper (@pmharper) 28 февраля 2015
Sweden's Foreign Affairs Minister Margot Wallström asked the truth to be found and justice to be served.
March of protest in Moscow also becomes march of mourning. Opposition and journalists must be protected!
— Margot Wallström (@margotwallstrom) 28 февраля 2015
Condemn the murder of opposition leader Boris Nemtsov in Moscow. Those responsible must be brought to justice.
— Margot Wallström (@margotwallstrom) 28 февраля 2015
EU foreign policy chief Federica Mogherini said her thoughts were with the family of the "strong advocate for modern, prosperous and democratic Russian Federation".
.@FedericaMog calls 4 transparent investigation into brutal murder of Boris #Nemtsov, advocate of democratic #Russia http://t.co/BrJIOqPtL6
— Maja Kocijančič (@MajaEUspox) 28 февраля 2015
Secretary General of the Council of Europe Thorbjorn Jagland was appalled by the murder.
I am shocked and appalled key opposition leader Boris #Nemtsov was shot. Killers must be brought to justice.
— Thorbjørn Jagland (@TJagland) 27 февраля 2015
German Foreign Minister Frank-Walter Steinmeier said he was shocked by the "ruthless murder".
2/2 #Steinmeier cont'd: the assassins of @BorisNemtsov must be held accountable in transparent and lawful procedure.
— GermanForeignOffice (@GermanyDiplo) 28 февраля 2015
FM #Steinmeier: Like so many Russians saddened+shocked by ruthless murder of @BorisNemtsov,we lost a fearless voice for an open Russia.1/2
— GermanForeignOffice (@GermanyDiplo) 28 февраля 2015
His colleague Michael Roth, Minister of State for Europe, said that the violent act will not destroy freedom.
The murder of #BorisNemtsov is a horrible tragedy. Such an horrendous act won't never stop freedom. pic.twitter.com/3ixO1g04gN
— Michael Roth MdB (@MiRo_SPD) 28 февраля 2015
In his turn, US Senator John Mccain tweeted he felt heartbroken by the murder of his friend Boris Nemtsov – “a voice for human rights in Russia.”
“Just who did this is hard to say, let’s not jump to any conclusions right now and give the investigators time to sort this all out,” he added. Gorbachev did not rule out that the high-profile killing could encourage some people to urge the authorities to introduce a state of emergency which he said would only exacerbate what is already a difficult situation.
Former US ambassador to Russia Michael McFaul paid tribute to Boris Nemtsov's activities.
Nemtsov was a real patriot, who believed in the possibility of Russia's greatness. I cry now both for his family & the country he so loved.
— Michael McFaul (@McFaul) 27 февраля 2015
Russian opposition blogger Alexey Navalny described the murder as "terrible tragedy and loss". "My most sincere condolences to his family, relatives, friends, well and all in general — we really lost something we can never make up for", Navalny wrote on Facebook. "I hope I'll be allowed to attend his funeral", Navalny said referring to his 15-day-long arrest.