MOSCOW, May 26. /TASS/. More than 150 delegations are participating in the First International Security Forum, Deputy Secretary of the Russian Security Council Alexander Venediktov said at the forum's opening.

"The exact number (of delegations - TASS) remains to be determined, as accreditation is still ongoing. But we can already say with confidence that over 150 delegations are taking part in our forum, and the total number of participants will exceed a few thousand people," he said.

The forum is being held from May 29 in the Moscow Region under the auspices of the Russian Security Council.

TASS is the forum’s information partner.