"Through various sources of information and intelligence, we assess that North Korean troops who have recently engaged in combat with Ukrainian forces have suffered around 1,100 casualties," the JCS said in a statement.

The South's Joint Chiefs of Staff (JCS) on Monday said at least 100 North Korean soldiers have died while another 1,000 suffered injuries in the bordering Kursk region, where Moscow's forces have been battling a Ukrainian ground incursion since August.

North Korea has supplied Russia with thousands of troops to fight against Ukraine, intelligence officials said, but old footage that has resurfaced on social media does not show the funeral of a general deployed by Pyongyang to lead its troops in the ongoing invasion.

South Korea warns of North Korea’s preparations to supply more troops and drones to aid Russia in the Ukraine war.

Ukrainian President Volodymyr Zelenskiy said on Monday that more than 3,000 North Korean soldiers have been killed and wounded in Russia's Kursk region and warned that Pyongyang could send more personnel and equipment for Moscow's army.

South Korea's military has reported that North Korea is likely to be preparing to deploy additional troops and military equipment to Russia, potentially including kamikaze drones, in support of Moscow's war against Ukraine.

South Korea's military said on Monday that it has detected signs of North Korea preparing to send more troops and weapons, including suicide drones, to Russia to support its war against Ukraine. North Korea has already provided 240mm multiple rocket launchers and 170mm self-propelled howitzers,

North Korea has already provided 240-millimeter multiple rocket launchers and 170mm self-propelled howitzers, and was seen preparing to produce more suicide drones to be shipped to Russia after leader Kim Jong Un guided a test last month, according to Seoul's Joint Chiefs of Staff (JCS).

The number of South Koreans who moved to different residences in the country last month fell to the lowest level in nearly 50 years, data showed Thursday. Approximately 466,000 people changed residences in November,

North Korea may dispatch more troops to Russia despite casualties, South Korea’s National Intelligence told lawmakers during a briefing Thursday.

North Korea’s elite troops have faced severe losses in Russia's war with Ukraine, with South Korean intelligence reporting more than 1,100 killed or injured in recent weeks and Ukrainian President Volodymyr Zelenskiy estimating the toll at more than 3,