MOSCOW - Russian Foreign Ministry spokesperson Maria Zakharova on Sunday condemned recent Ukrainian attacks on two oil tankers and a port in the Black Sea, denouncing those who planned and carried out the strikes.

According to a statement released by the ministry, Zakharova said the two tankers sailing under the Gambian flag and en route to the Russian port of Novorossiysk were attacked by unmanned surface vessels on Friday and Saturday. The port of Novorossiysk also came under attack on Saturday.

She added that Ukrainian intelligence services had claimed responsibility for the attacks.

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"We must emphasize that the targeted civilian energy infrastructure plays a vital role in ensuring global energy security and has never been subject to any international restrictions or sanctions," the spokesperson said, adding that these attacks jeopardized the safety of navigation in this vital waterway.

Russia also calls on the international community to condemn these attacks and give a proper assessment of the destructive actions, Zakharova said.