The Russian Foreign Ministry has called for the immediate release of the Ukrainian soldier. The soldier was taken into custody on May 5.

He is believed to be in the custody of the Ukraine's special forces. The Russian government says the soldier is being held in a secret location in Ukraine. The military says it is investigating the case. The U.S. State Department says it has no knowledge of the soldier's whereabouts. The United States and the European Union have condemned the actions of the Russian military.