Russia's Deputy Foreign Minister Andrey Rudenko issued a warning to South Korea against supplying lethal aid to Ukraine, saying that the move would "fully destroy relations" between the two countries.

North Korea is advancing its nuclear capabilities, raising security concerns for South Korea amidst discussions of U.S.-North Korea dialogue.

By Jack Kim SEOUL (Reuters) -After boycotting a memorial event organised by Tokyo, South Korea held its own on Monday to remember compatriots forced to work in a Japanese mine during World War Two, highlighting lingering sensitivities between the key U.