RIA Novosti reports about this.

“The Islamic Resistance Movement (Hamas) condemns in the strongest terms the terrorist attack on civilians in the Russian capital Moscow,” the statement said.

Earlier, UN Secretary General Antonio Guterres expressed condolences to the government and people of Russia in connection with the terrorist attack at Crocus City Hall.

Also, the Secretary General of the Collective Security Treaty Organization Imangali Tasmagambetov, in a message to Russian President Vladimir Putin, condemned the terrorist attack at Crocus City Hall and expressed condolences to the relatives of the victims.