North Korea has slammed the United States for providing 31 Abrams tanks to war-torn Ukraine to fight its ally Russia. North Korean leader Kim Jong Un's powerful sister, Kim Yo Jung, said that the U.S. is "further expanding the proxy war" to destroy Russia. In a statement released by Kim Yo Jong, she blamed Washington for the crisis in Ukraine, accusing it of "crossing the red line." Meanwhile, Ukraine has claimed that its allies have promised to supply 321 heavy tanks to battle Russia. Watch this video to know more.