1. Ukraine secures release of 144 of its soldiers

2. Ukrainian soldiers stand next to ambulances as Ukraine carries out an exchange of prisoners, amid Russia's invasion, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

3. A view of ambulances as Ukraine carries out an exchange of prisoners, amid Russia's invasion, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

4. A Ukrainian soldier sits in an ambulance as Ukraine carries out an exchange of prisoners, amid Russia's invasion, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

5. Ukrainian soldiers stand next to ambulances as Ukraine carries out an exchange of prisoners, amid Russia's invasion, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

6. Ukrainian soldiers stand next to ambulances as Ukraine carries out an exchange of prisoners, amid Russia's invasion, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

7. A man with a white flag stands on the road during an exchange of prisoners, as Russia's attack on Ukraine continues, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

8. Prisoners line up alongside a road during a prisoner exchange, as Russia's attack on Ukraine continues, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.

9. A man with a white flag walks along the road during an exchange of prisoners, as Russia's attack on Ukraine continues, at a location given as Zaporizhzhia region, Ukraine, in this handout photo released on June 29.