Originally posted by the Voice of America. Voice of America content is produced by the Voice of America, a United States federal government-sponsored entity, and is in the public domain. Russia and China Deny Violating South Korean Airspace VOA News Both Russia and China are denying their military aircraft violated South Korea's territorial airspace during a joint air patrol Tuesday. The alleged violation happened near a disputed group of islands claimed by both South Korea, which calls it Dokdo, and Japan, which calls it Takeshima. .