A gunman killed 13 people and wounded others in a school in central Russia on Monday, local police said. Governor of the Udmurtia region, Alexander Brechalov, said that the shooter got into a school in Izhevsk, killed a guard and some of the children there.

Nine people were killed because of this crime, including two security guards of the educational institution and two teachers, as well as five minors, officials said. Russia’s interior ministry also said there were about 20 people injured in the attack. Governor Alexander Brechalov said: “There are victims among the children, there are wounded too.” The attacker later turned the gun on himself.

The Investigative Committee identified the gunman as 34-year-old Artyom Kazantsev, a graduate of the same school. The gunman wore a black t-shirt with “Nazi symbols”, the Committee added. Any shooting at a school is a cause for deep concern for authorities, families and the nation in general. We have seen that in the United States and many other countries,” said Al Jazeera’s Mohamed Vall, reporting from Moscow. “But Russians are saying this is not a frequent occurrence in Russia – and most of the time it is difficult to establish the motives behind it.”

Russian President Vladimir Putin on Monday denounced the Izhevsk attack as “inhuman”. “President Putin deeply mourns the deaths of people, children, at a school where there was a terrorist attack by a person, who apparently belongs to a neo-fascist group.” The president wishes for the recovery of those injured as a result of this inhuman terrorist attack.