Presidential candidate Biden and national security aide to the incumbent president, O’Brien, reacted to the attack in the Austrian capital.

The U.S. Democratic presidential candidate Joseph Biden reacted to the shooting in the Austrian capital – called to unite against hatred and violence. He posted the corresponding message on Twitter on Tuesday, November 3.

“After tonight’s horrific terrorist attack in Vienna, Austria, Jill and I are keeping the victims and their families in our prayers. We must all stand united against hate and violence,” the Democrat wrote.

Robert O’Brien, assistant to the US President for National Security, said that the United States supports the affected countries of Europe in the fight against terrorism.

“The U.S. is praying for the people of Vienna. There is no justification for hatred and violence like this. We stand with Austria, France, and all of Europe in the fight against terrorism,” posted on the page of the US National Security Council at the White House on Twitter.

Earlier, the mayor of Vienna Michael Ludwig specified that as a result of the shooting in the center of the capital, two people were killed and 15 were wounded.

According to Austrian Chancellor Sebastian Kurz, security forces eliminated one attacker. An anti-terrorist operation is continuing in the city, and residents of the capital have been urged not to leave their homes.