The audio recording reveals what appears to be a senior North Korean military officer conducting a communication check and urging others to move quickly. Read also: North Korean troops already fighting in Russia’s Kursk Oblast - GenStaff "Move faster!

In Maryino, located in the Kursk region, a North Korean general was wounded in an attack on a sanatorium. Several other North Korean officers were killed, according to Financial Times. As a source for the agency reports,

The U.S. says there will be a "firm response" as Ukrainian forces holding ground in Russia's Kursk region now face North Korean troops "engaging in combat."

Around 10,900 North Korean troops have been deployed to Kursk as part of Russia's airborne unit and marines, with some already participating in battles in the Ukraine war, a South Korean lawmaker said on Wednesday,

Ukraine's General Staff has reported that over 11,000 North Korean military personnel are stationed in Russia's Kursk Oblast and they have participated in combat against Ukraine's defence forces. Source: Radio Svoboda citing Anatolii Barhylevych,

"What we're seeing is that (North Korean troops are) positioned around the Kursk region, not moving into Ukraine at the moment," Pentagon Deputy Press Secretary Sabrina Singh said on Nov. 25 during a press briefing.

South Korea's spy agency says that North Korea has recently supplied additional artillery systems to Russia to support its war efforts against Ukraine.

The US has not observed any indications of North Korean military personnel being present in Ukraine to support Russia in its war efforts. However, North Korean troops have been reported in Russia’s Kursk region,