KEY POINTS
  • The Russian Foreign Ministry said on Saturday the United States had detained a Russian citizen, a day after Moscow arrested the former U.S. Marine Paul Whelan on suspicion of spying.
  • Whelan was arrested by Russia's Federal Security Service on Dec. 28. His family have said he is innocent and that he was in Moscow to attend a wedding.
  • The ministry said the United States detained Russian citizen Dmitry Makarenko on the Northern Mariana Islands on Dec. 29 and had moved him to Florida.
Russia's President Vladimir Putin gestures during a joint news conference with Austria's President Alexander Van der Bellen in Vienna, Austria June 5, 2018.

The Russian Foreign Ministry said on Saturday the United States had detained a Russian citizen, a day after Moscow arrested the former U.S. Marine Paul Whelan on suspicion of spying.

Whelan was taken into custody by Russia's Federal Security Service on Dec. 28. His family have said he is innocent and that he was in Moscow to attend a wedding.