We have long warned the Japanese side that participation in illegitimate experiments with the sovereign assets of the Russian Federation in any form...will be regarded by us as complicity in theft," said Zakharova. "Tokyo has cynically expressed its hope that these actions will not have a negative impact on relations with Russia. We have to disappoint them - such actions will certainly and inevitably have a negative impact on relations with Russia. "We regard such a step as extremely hostile, as treacherous. It is inadmissible under both legal and universal concepts."