Russian businessman Igor Churkin, who was detained in Argentina at the request of Ukraine, has applied for political asylum in the South American country, the Russian state-owned news agency TASS reported, citing Natalia Pustovalova, an official of the Russian Embassy in Buenos Aires. The Argentine police detained Churkin on Jan. 30 at the request of Ukraine’s State Bureau of Investigation. According to Ukraine, Churkin was involved in a fraudulent attempt to preserve his company’s assets in Lviv. Lviv Bus Plant LLC, co-owned by Churkin, his father Igor Churkin Sr., and brother Oleg, reportedl…