BUDAPEST, March 23. /TASS. Hungarian Prime Minister Viktor Orban expressed condolences to the people of Russia in connection with the terrorist attack in the Crocus City Hall concert hall in the Moscow Region.

"I would like to express my deepest condolences to the people of the Russian Federation following the heinous terrorist attack that took place near Moscow this evening. We pray for the families of the victims," he wrote on his page on X.

A terrorist attack was carried out at the Crocus City Hall music venue in the city of Krasnogorsk near Moscow on Friday evening. Unidentified gunmen armed with assault rifles went on a shooting spree. An explosion rocked the building, starting a fire. The special services are conducting a search operation. Moscow Mayor Sergey Sobyanin canceled all mass events in the capital in the next two days, and a number of other Russian regions followed suit.