FILE PHOTO: FILE PHOTO: Suspected Russian arms dealer Viktor Bout (front C) is escorted by Drug Enforcement Administration (DEA) officers after arriving at Westchester County Airport in White Plains, New York, in this November 16, 2010 file handout photo. REUTERS/U.S. Department of Justice/Handout/Files
MOSCOW (Reuters) - An extensive east-west prisoner swap, involving 26 people, took place in Ankara on Thursday, the Turkish presidency said.
What are some of the previous most prominent prisoner exchanges between Russia or the Soviet Union and the U.S.?
