Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Leyla, a four-year old Ukrainian girl, takes part in a demonstration to mark Ukraine's Independence Day, in Istanbul, Turkey August 24, 2022. REUTERS/Murad Sezer TPX IMAGES OF THE DAY

Ukrainians in Malta take part in a demonstration ahead of Ukraine's Independence Day and six months since the Russian invasion began, in Valletta, Malta, August 23, 2022. REUTERS/Darrin Zammit Lupi

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


Ukrainians living in Turkey stand for the national anthem during a demonstration to mark Ukraine's Independence Day, in Istanbul, Turkey August 24, 2022. REUTERS/Murad Sezer

Ukrainians living in Greece hold a Ukrainian national flag as they gather to mark Ukraine's Independence Day, in Athens, Greece, August 24, 2022. REUTERS/Costas Baltas

Makar Kravchenko, 5, from Sumy holds a placard as protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


People stand around candles placed on the ground near Brandenburg Gate, during "Freedom Parade" on Ukraine's Independence Day, as Russia's invasion of Ukraine continues, in Berlin, Germany, August 24, 2022. REUTERS/Lisi Niesner

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


A woman waves a Ukrainian flag as people stand by the Brandenburg Gate during "Freedom Parade" on Ukraine's Independence Day, as Russia's invasion of Ukraine continues, in Berlin, Germany, August 24, 2022. REUTERS/Lisi Niesner

A kid holds a balloon while participating in a demonstration against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


Ukrainians living in Turkey sing the national anthem during a demonstration to mark Ukraine's Independence Day, in Istanbul, Turkey August 24, 2022. REUTERS/Murad Sezer

Ukrainians in Malta take part in a demonstration ahead of Ukraine's Independence Day and six months since the Russian invasion began, in Valletta, Malta, August 23, 2022. REUTERS/Darrin Zammit Lupi

A protester demonstrates against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


A child participates in a demonstration against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

People stand by the Brandenburg Gate during "Freedom Parade" on Ukraine's Independence Day, as Russia's invasion of Ukraine continues, in Berlin, Germany, August 24, 2022. REUTERS/Lisi Niesner

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally, in Dublin, Ireland August 24, 2022. REUTERS/Clodagh Kilcoyne


A protester demonstrates against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

A protester demonstrates against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Ukrainians living in Greece hold a Ukrainian flag during a protest to mark Ukraine's Independence Day in front of the Greek parliament building, in Athens, Greece, August 24, 2022. REUTERS/Louiza Vradi

Ukrainians living in Greece hold a Ukrainian national flag as they gather to mark Ukraine's Independence Day, in Athens, Greece, August 24, 2022. REUTERS/Costas Baltas

Protesters demonstrate against Russia's invasion of Ukraine, during a Ukrainian Independence Day rally outside Downing Street, in London, Britain, August 24, 2022. REUTERS/Hannah McKay

Ukrainians in Malta take part in a demonstration ahead of Ukraine's Independence Day and six months since the Russian invasion began, in Valletta, Malta, August 23, 2022. REUTERS/Darrin Zammit Lupi

Ukrainians living in Greece hold a Ukrainian national flag as they gather to mark Ukraine's Independence Day, in Athens, Greece, August 24, 2022. REUTERS/Costas Baltas