Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis TPX IMAGES OF THE DAY 

Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

Civilians who volunteered to join the Territorial Defence Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

A man who volunteered to join the Territorial Defence Forces holds a rifle during a weapons training, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 11, 2022. REUTERS/Alexandros Avramidis 

Local businessman Alexander Vasilyev, 37, who volunteered to help the local police in patrols, stands guard following Russia's invasion of Ukraine, in Odessa, Ukraine, March 9, 2022. REUTERS/Alexandros Avramidis 

Civilians who volunteered to join the Territorial Defense Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 7, 2022. REUTERS/Alexandros Avramidis TPX IMAGES OF THE DAY 

Civilians who volunteered to join the Territorial Defense Forces train on weapons, following Russia's invasion of Ukraine, in Odessa, Ukraine, March 7, 2022. REUTERS/Alexandros Avramidis 

Volunteers fill sandbags, during Russia's invasion of Ukraine, on a beach in the city of Odessa, Ukraine, March 7, 2022. REUTERS/Alexandros Avramidis 

Volunteers fill sandbags, during Russia's invasion of Ukraine, on a beach in the city of Odessa, Ukraine, March 7, 2022. REUTERS/Alexandros Avramidis 

Volunteers fill sandbags, during Russia's invasion of Ukraine, on a beach in the city of Odessa, Ukraine, March 7, 2022. REUTERS/Alexandros Avramidis 

Volunteers fill sandbags to build barricades during Ukraine-Russia conflict, in the city of Odessa, Ukraine March 6, 2022. REUTERS/Igor Tkachenko 

Volunteers prepare food for local residents and members of the Ukrainian Territorial Defence Forces at a field kitchen, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine March 6, 2022. REUTERS/Valentyn Ogirenko 

Volunteers prepare food for local residents and members of the Ukrainian Territorial Defence Forces at a field kitchen, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine March 6, 2022. REUTERS/Valentyn Ogirenko 

Volunteers prepare food for local residents and members of the Ukrainian Territorial Defence Forces at a field kitchen, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine March 6, 2022. REUTERS/Valentyn Ogirenko 

Volunteers prepare food for local residents and members of the Ukrainian Territorial Defence Forces at a field kitchen, as Russia's invasion of Ukraine continues, in Kyiv, Ukraine March 6, 2022. REUTERS/Valentyn Ogirenko 

Ex-military man Dennis Kohut, who is working as a firefighter, trains volunteers for territorial defense at the warrior house, following the Russia's invasion of Ukraine, in Lviv, Ukraine, March 6, 2022. REUTERS/Kai Pfaffenbach 

Volunteers for territorial defense listen to their instructor during their training at the warrior house, following the Russia's invasion of Ukraine, in Lviv, Ukraine, March 6, 2022. REUTERS/Kai Pfaffenbach 

Volunteers for territorial defense practice how to take cover from shelling during their training at the warrior house, following Russia's invasion of Ukraine, in Lviv, Ukraine, March 6, 2022. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY 

Ex-military man Dennis Kohut , who is working as a firefighter, trains volunteers for territorial defense at the warrior house, following Russia's invasion of Ukraine, in Lviv, Ukraine, March 6, 2022. REUTERS/Kai Pfaffenbach 

Ex-military man Dennis Kohut , who is working as a firefighter, trains volunteers for territorial defense at the warrior house, following Russia's invasion of Ukraine, in Lviv, Ukraine, March 6, 2022. REUTERS/Kai Pfaffenbach 

A volunteer welds an anti-vehicle obstacle during Ukraine-Russia conflict in Lviv, Ukraine March 5, 2022. REUTERS/Pavlo Palamarchuk 

A volunteer welds an anti-vehicle obstacle during Ukraine-Russia conflict in Lviv, Ukraine March 5, 2022. REUTERS/Pavlo Palamarchuk 

A civilian trains to throw Molotov cocktails to defend the city, in Zhytomyr, Ukraine, March 1, 2022.  REUTERS/Viacheslav Ratynskyi 

Local residents make anti-tank obstacles to defend the city, in Uzhhorod, Ukraine February 27. REUTERS/Serhii Hudak 

New members of the Ukrainian Territorial Defence Forces clean newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich 

Local residents prepare Molotov cocktails to defend the city, in Uzhhorod, Ukraine February 27. REUTERS/Serhii Hudak 

Anti-tank constructions are seen in Kyiv, Ukraine, March 3. REUTERS/Gleb Garanich 

New members of the Ukrainian Territorial Defence Forces train with newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich 

A member of the Ukrainian Territorial Defence Forces stands inside a supermarket in the town of Bucha in the Kyiv region, Ukraine February 28. REUTERS/Maksim Levin 

A member of the Ukrainian Territorial Defence Forces is seen in Kyiv, February 28. REUTERS/Gleb Garanich 

A civilian trains to throw Molotov cocktails to defend the city, in Zhytomyr, March 1.  REUTERS/Viacheslav Ratynskyi 

A local resident prepares Molotov cocktails, in Uzhhorod, Ukraine, February 27. REUTERS/Serhii Hudak 

A worker from a local construction company welds an anti-tank obstacle to be placed on roads around Kyiv, March 3. REUTERS/Carlos Barria 

New members of the Ukrainian Territorial Defence Forces clean newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich 

A worker from a local construction company prepares an anti-tank obstacle in Kyiv, March 3. REUTERS/Carlos Barria 

New members of the Ukrainian Territorial Defence Forces train with newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich 

A member of the Territorial Defence Forces of Ukraine holds a weapon in Kyiv, March 2. REUTERS/Mikhail Palinchak 

New members of the Ukrainian Territorial Defence Forces clean newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich 

Workers from a local construction company weld anti-tanks obstacles in Kyiv, March 3. REUTERS/Carlos Barria 

A member of the Ukrainian Territorial Defence Forces is seen near the village of Lychanka, in the Kyiv region, March 2. REUTERS/Maksim Levin 

People sign contracts with the Territorial Defenсe Forces of Ukraine, February 28. REUTERS/Gleb Garanich 

A worker from a local construction company welds an anti-tank obstacle in Kyiv, March 3. REUTERS/Carlos Barria 

Local residents prepare Molotov cocktails, in Uzhhorod, Ukraine, February 27. REUTERS/Serhii Hudak 

A civilian trains to throw Molotov cocktails, in Zhytomyr, Ukraine, March 1.  REUTERS/Viacheslav Ratynskyi 

New members of the Ukrainian Territorial Defence Forces clean newly received weapons in Kyiv, February 28. REUTERS/Gleb Garanich