North Korea has sent more than 10,000 troops to fight with Russia in Kursk, U.S. officials say. The troops are wearing Russian uniforms and have been equipped by Moscow, but they will probably fight in their own discrete units, U.S. defense officials said.

Kim Jong-un's thousands of troops are said to have no real combat experience, no familiarity with the terrain - and will likely be shoved into the most ferocious battlefields