Aliaksandr worked as an engineer.
On 27 February 2022, an anti-war rally took place in Minsk. In a video that later spread online, Aliaksandr and another man were walking towards a serviceman, who was backing away. On 3 March of the same year, Aliaksandr was detained, and a "repentance" video with him appeared on pro-government Telegram channels. In court he said that he had been badly beaten during the arrest, and that in Zhodzina, after he told a doctor about the beating, he was put for two days in a single punishment cell together with seven other people.
In August 2022, Aliaksandr was found guilty in a criminal case brought under the articles "Violence or threat of violence against an employee of the internal affairs bodies" and "Creation of an extremist formation or participation in it". The second charge was brought for his registration in the Peramoga plan. He did not plead guilty.
According to human rights defenders' calculations, he was released in November 2024 after serving his full sentence.
