The 2018 FIFA World Cup will kick off with the opening match between Russia and Saudi Arabia at Moscow's Luzhniki Stadium on Thursday.

"Our country has always had a security system, especially holding such global events... Our intelligence services work closely with the services of all the nations that participate in the World Cup today," Gazzaev said.

The former coach added that "everyone will be delighted with the tournament."

Russia will host its first World Cup from June 14 to July 15. The fixtures will be played at 12 stadiums across 11 cities.