Russia may be close to sharing advanced satellite technology with North Korea after the isolated nation supplied troops to help bolster Moscow’s war in Ukraine, United States Secretary of State Antony Blinken warned Monday.

Pyongyang has provided Moscow with more than 10,000 soldiers, artillery, and ammunition during Russia’s war as the two sides have deepened their partnership.

Volodymyr Zelenskyy said earlier this month that Russia was trying to "conceal losses" of North Korean troops fighting against Ukraine.

North Korea says it carried out its second missile test in two days — and this one was hypersonic. It came as U.S. Secretary of State Anthony Blinken visited the region.

Blinken, who had planned to encourage South Korea to maintain Yoon’s policy of enhancing cooperation with Japan, was in talks in Seoul when North Korea fired a ballistic missile that fell into the sea. The missile flew about 1,100km, the South Korean military said.

US Secretary of State Antony Blinken holds talks Monday in crisis-riven South Korea, seeking to encourage policy stability in the US ally, including in its complicated relationship with Japan. Yoon delighted the United States by seeking to turn the page on decades of friction with Japan,

Russia intends to share its advanced space and satellite technology with North Korea in exchange for Pyongyang providing weapons and other equipment to Moscow to sustain its war effort against Ukraine.

With support from Russia, a more technologically-advanced military and emboldened North Korea could force Tokyo to rethink its positioning in Northeast Asia.

Russia is close to sharing advanced space technology with North Korea, Secretary of State Antony Blinken said during a visit to South Korea on Monday, warning that the Moscow-Pyongyang alliance continues to develop.

Secretary of State Antony Blinken is raising concerns about the growing relationship between Russia and North Korea.

Ukrainian special forces have released several excerpts from a purported diary it said was found on a North Korean soldier killed in front-line fighting in Russia.