Alexei was detained in March 2025 while attempting to leave the country, and in the summer of that year he was convicted under the article "participation or preparation of a citizen of the Republic of Belarus on the territory of a foreign state in military actions without the authorization of the state" and sentenced to imprisonment.
On December 13, 2025, he was released following a visit to Minsk by US President Donald Trump's special representative, John Cole, and taken to Ukraine.
