Separatist authorities in Abkhazia said earlier they had sent 1,000 troops to the gorge, which Georgian forces control as a strategic foothold in the breakaway Black Sea territory.
Georgia says Russia has sent troops and artillery into Abkhazia.
They have started the operation to storm Kodori gorge, said Interior Ministry spokesman Shota Utiashvili. Asked who was behind the operation, he replied: The Russian army.
Published by Mike Hitchen, Mike Hitchen Consulting