In this handout photo distributed by Ukrainian President's press office, tanks, armoured personnel carriers and armoured vehicles drive during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665146

In this handout photo distributed by Ukrainian President's press office, armoured personnel carriers and armoured vehicles drive during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665141

In this handout photo distributed by Ukrainian President's press office, armoured personnel carriers drive during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665139

In this handout photo distributed by Ukrainian President's press office, an armoured personnel carrier drives during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665137

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko obsreves a training ground from the control position during the military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665133

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko, left, visits military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665121

In this handout photo distributed by Ukrainian President's press office, from left, Ukrainian Defence Minister Stepan Poltorak, President Petro Poroshenko and Navy commander, Vice Adm. Ihor Voronchenko obsreve a training ground from the control position during the military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665112

In this handout photo distributed by Ukrainian President's press office, military helicopters fly during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665095

In this handout photo distributed by Ukrainian President's press office, military helicopters fly during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665094

In this handout photo distributed by Ukrainian President's press office, a tank fires during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665093

In this handout photo distributed by Ukrainian President's press office, a tank fires during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665092

In this handout photo distributed by Ukrainian President's press office, explosions are pictured during military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665088

In this handout photo distributed by Ukrainian President's press office, Ukrainian President Petro Poroshenko talks to the media as he visits military drills at the Sea of Azov shore, outside Mariupol, Eastern Ukraine, October 12, 2018. Editorial use only, no archive, no commercial use.

12.10.2018#5665087