International Desk: A terrible explosion has taken place in the Russian city of Belgorod bordering Ukraine. Three people were killed in the blast. Many were injured. Dozens of houses in the city have been damaged. On Sunday (June 3), Regional Governor Bachellav Gladkov confirmed the matter. The governor of the city of Belgorod, Bacheslav Gladkov, said several explosions had taken place in the Russian city of 400,000, 25 miles north of the Ukrainian border. The blast damaged at least 11 apartment buildings and 39 houses, five of which were completely destroyed. Senior Russian lawmaker Andrei Klitschko has blamed Ukraine for the Belgorod shelling. He called for a military response. He said in a telegram that the deaths of civilians in Belgorod and the destruction of civilian infrastructure were indications of a direct Ukrainian aggression, which required the strongest military response. There was no immediate reaction from Ukraine to the latest attack when contacted by Reuters. Reuters could not independently verify Russia's allegations. Ukraine Moscow has blamed Kiev for a number of attacks in Belgorod and other areas bordering Ukraine since Russia began its offensive on February 24. Ukraine has not claimed responsibility. However, he described the incidents as retaliation and "action" by Russia.