Putin currently faces an international arrest warrant issued by the International Criminal Court (ICC) in 2023 over alleged war crimes, including the unlawful deportation of Ukrainian children. Theoretically, setting foot in Hungary, or even flying through the airspace of ICC signatories, could expose him to arrest. Putin currently faces an international arrest warrant issued by the International Criminal Court (ICC) in 2023 over alleged war crimes, including the unlawful deportation of Ukrainian children. Theoretically, setting foot in Hungary, or even flying through the airspace of ICC signatories, could expose him to arrest.