Parliament’s chairperson and President Zelenskyy need to sign the legislation for it to become law.

The move on Wednesday marks a U-turn in Ukraine’s approach on the matter. Kyiv had long opposed the measure and had repeatedly criticised Moscow for mobilising prisoners to fill its ranks.

Tsvily said he feared the creation of “special units” for mobilised soldiers would lead to abuse against prisoners.

“It’s like in Russia – redemption by blood. … Anyone willing to fight will be put in one unit and commanded like meat,” he said.