Ruska invazija na Ukrajinu, 8. mart 2022.

A Romanian Immigrations officer gives flowers to a refugee fleeing the conflict from neighboring Ukraine after she crossed the border on International Women's Day, at the Romanian-Ukrainian border, in Siret, Romania, March 8, 2022.

Masha Fesenko, from Kyiv, arrives at the border crossing in Medyka, Poland, March 8, 2022. Russia's invasion of Ukraine has set off the largest mass migration in Europe in decades, with more than 1.5 million people having crossed from Ukraine into neighboring countries.

People attend a memorial service to pay their respects to Viktor Dudar and Ivan Koverznev, Ukrainian servicemen killed on March 2, during Russia's invasion of Ukraine, in a Jesuit Church (Church of the Most Holy Apostles Peter and Paul) in central Lviv.

Myroslava Dudar attends the funeral of her son Viktor Dudar and Ivan Koverznev, of Ukrainian servicemen killed on March 2, during Russia's invasion of Ukraine, at an 18th-century Lychakiv cemetery, in Lviv, March 8, 2022.

A police officer says goodbye to his son as his family flees from advancing Russian troops as Russia's attack on Ukraine continues in Irpin, March 8, 2022.

A barricade made of sandbags is seen in central Odessa, March 8, 2022.

A Ukrainian tank rolls along a main road in Ukraine, March 8, 2022.

Ukrainians cross an improvised path under a destroyed bridge while fleeing Irpin, March 8, 2022. Demands for ways to safely evacuate civilians have surged along with intensifying shelling by Russian forces, who have made significant advances in southern Ukraine but stalled in some other regions.

Ukrainians crowd under a destroyed bridge as they try to flee crossing the Irpin river, March 8, 2022. Efforts to put in place cease-fires along humanitarian corridors have repeatedly failed amid Russian shelling.

An elderly woman is coated in snow as she is evacuated in a wheelchair from Irpin, March 8, 2022.

A man stands atop a destroyed bridge in Irpin, March 8, 2022.

An elderly lady is carried in a shopping cart after being evacuated from Irpin, March 8, 2022.

Belarusian volunteers receive military training at the Belarusian Company base in Kyiv, Ukraine, March 8, 2022.

A rescuer is seen in a residential building damaged by Russian shelling in Mykolaiv in this handout picture released on March 8, 2022.

People walk outside an apartment building hit by Russian shelling in Mariupol, March 7, 2022.

Destroyed Russian tanks are seen in the Sumy region, March 7, 2022.

Ukrainian servicemen inspect ammunitions from destroyed Russian military vehicles in the Sumy region, March 7, 2022.

Fire fighters extinguish fire in an oil depot that Ukraine's State Emergency Services say was caused by Russian strikes in Zhytomyr region, March 7, 2022 in this still image obtained from a handout video.