PARIS (AFP) - Five people including one attacker were killed in central Vienna on Monday evening (Nov 2) in what Austrian Chancellor Sebastian Kurz described as a "repulsive terror attack".
Here are the main reactions so far to the shootings, which police said began at around 8pm local time and took place at six different locations.
THE UNITED STATES
US President Donald Trump said: "These evil attacks against innocent people must stop. The US stands with Austria, France, and all of Europe in the fight against terrorists, including radical Islamic terrorists."
His rival in the presidential election, Democratic presidential candidate Joe Biden said: "We must all stand united against hate and violence."
THE UNITED NATIONS
UN Secretary-General Antonio Guterres said: "I'm following with grave concern the violent attacks of terror in Vienna, one of our UN HQ. I condemn these attacks in the strongest possible terms and reaffirm the UN's solidarity with the people and government of Austria."
INDIA
Indian Prime Minister Narendra Modi said he is "deeply shocked and saddened by the dastardly terror attacks in Vienna."
"India stands with Austria during this tragic time," he added.
CANADA
Canadian Prime Minister Justin Trudeau called the shootings in Vienna "horrific and heartbreaking".
He said: "We condemn in the strongest terms possible this act of terrorism."
SAUDI ARABIA
The Kingdom's foreign ministry issued a statement expressing its "strong condemnation and denunciation for the terrorist attack... (and) affirmed the Kingdom's solidarity with the Republic of Austria in taking all necessary measures to maintain security and protect the safety of all from extremism tendencies and acts of terrorism and violence in all its forms."
FRANCE
French President Emmanuel Macron said: "We French share the shock and sorrow of the Austrian people following the attack in Vienna."
"After France, it is a friendly nation that has been attacked. This is our Europe. Our enemies must know who they're dealing with. We will concede nothing," he tweeted in both French and German.
GERMANY
German Chancellor Angela Merkel said: "We Germans stand in sympathy and solidarity with our Austrian friends. The fight against Islamist terrorism is our common struggle."
The country's foreign ministry vowed not to "give in to hate that is supposed to divide our societies".
"Even if we can't yet foresee the extent of the terror, our thoughts are with the wounded and the victims in these difficult hours," the foreign ministry wrote on Twitter, calling the news from neighbouring Austria "horrifying and disturbing".
BRITAIN
British Prime Minister Boris Johnson tweeted that he was "deeply shocked" by the night's events and that the "UK's thoughts are with the people of Austria - we stand united with you against terror".
ITALY
Italian Prime Minister Giuseppe Conte said there was "no room for hatred and violence in our common European home", while his foreign minister Luigi Di Maio tweeted that "Europe must react".
EUROPEAN UNION
European Council chief Charles Michel said: "Europe strongly condemns this cowardly act that violates life and our human values. My thoughts are with the victims and the people of #Vienna in the wake of tonight's horrific attack. We stand with Austria."
EU Commission President Ursula von der Leyen tweeted that she was "shocked and saddened", and that her "thoughts are with the families of the victims and the Austrian people".
The President of the European Parliament, David Sassoli, said he felt "sadness and horror" and the EU's top diplomat Josep Borrell called it "a cowardly act of violence and hate".
CZECH REPUBLIC
In the Czech Republic, which neighbours Austria, Prime Minister Andrej Babis said he was "horrified by the attack" and wanted to "express my solidarity to all people in Austria and my friend Sebastian Kurz".
Czech police said they had started random checks on the country's border with Austria.
"Police are carrying out random checks of vehicles and passengers on border crossings with Austria as a preventive measure in relation to the terror attack in Vienna," Czech police tweeted.
Police also said they had stepped up "supervision over major Jewish facilities in the Czech Republic" in a preventive measure that "reflects developments not only in neighbouring Austria".
GREECE
Greek Prime Minister Kyriakos Mitsotakis tweeted that he was "shocked by the horrific attacks in #Vienna" and had offered Kurz Athens' "full solidarity".
"Our thoughts are with the people in Vienna and the authorities dealing with the situation. Our hearts, with the victims and their loved ones," Mitsotakis added.
AUSTRALIA
Australian Prime Minister Scott Morrison tweeted his shock over the "awful terror attacks in Austria".
He said: "The situation remains fluid and details of the attack are still not clear," and offered the Austrian Chancellor and the country's people his thoughts and assurances.
