The comment from Seoul's Foreign Ministry came a day after Maria Zakharova, spokesperson for Russia's Foreign Ministry, warned South Korea against taking hasty steps that could lead to an irreversible outcome for bilateral relations, it reported. Yonhap news agency.

Zakharova's comments came in response to statements by South Korean national security adviser Chang Ho-jin that South Korea could consider supplying weapons to kyiv, depending on Moscow's actions in following up on the treaty that signed with North Korea on the mutual defense commitment.

"We warn that Russia must not make a mistake that could have irreversible consequences on relations between South Korea and Russia," ministry spokesman Lim Soo-suk said at a regular news briefing.

"Furthermore, we hope that the Russian side will stop relying on North Korea and act appropriately as a permanent member of the UN Security Council," Lim added.

Tensions have risen after Russian President Vladimir Putin and North Korean leader Kim Jong-un declared an improved relationship between their countries following talks in Pyongyang last week.

The new treaty commits them to providing mutual military assistance in the event that either of them comes under armed attack.

South Korea has expressed serious concerns about growing military cooperation between Russia and North Korea in violation of UN resolutions, urging Moscow to act responsibly and cut those military ties with Pyongyang.

Seoul's Foreign Ministry said South Korean Ambassador to Russia Lee Do-hoon met Russian Deputy Foreign Minister Andrey Rudenko in Moscow on Wednesday (local time) and heard Moscow's position. on the new association treaty with North Korea.

At the meeting, Lee stressed that any cooperation that could help North Korea's weapons buildup poses serious threats to security in the region, and called for a clear explanation from Russia about its actions.

Russia regretted South Korea's reaction to Putin's visit to Pyongyang, reiterating that its cooperation with North Korea is not directed at Seoul and that the treaty is defensive, according to Seoul's Foreign Ministry.