Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepare to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine react after firing 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

A member of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepares to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepare to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepare to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

A member of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepares to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepare to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine pose after firing 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine talk after firing 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine talk after firing 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine talk after firing 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

The 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

The 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine prepare to fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Members of the 3rd Separate Assault Brigade (Azov Unit) of the Armed Forces of Ukraine fire 152 mm howitzer 2A65 Msta-B, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 6, 2023. REUTERS/Marko Djurica 

Mykola pulls a cow during an evacuation, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade sits on top of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Mykola distributes humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A dog and chickens are seen next to a piece of Uragan missile used by Russian army, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A woman waits to receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Stray dogs are pictured, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

People receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Olena, 63, holds her head as people receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

People receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A man pulls a cow during an evacuation, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Olena, 63, holds her head as people receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

People receive humanitarian aid, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A woman walks along a street, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A man pulls a cow during an evacuation, amid Russia's attack on Ukraine, on the outskirts of Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army from the 43rd Heavy Artillery Brigade drive the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade sits on top of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade eats, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

Ukrainian army soldiers from the 43rd Heavy Artillery Brigade sit on top of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army soldiers from the 43rd Heavy Artillery Brigade sit on top of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army soldiers from the 43rd Heavy Artillery Brigade stand in front of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade holds a cup of tea in front of the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade walks past the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade jumps off the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade walks past the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army from the 43rd Heavy Artillery Brigade fire the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army from the 43rd Heavy Artillery Brigade fire the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian army from the 43rd Heavy Artillery Brigade fire the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica TPX IMAGES OF THE DAY 

Ukrainian army from the 43rd Heavy Artillery Brigade prepare to fire the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

A Ukrainian army soldier from the 43rd Heavy Artillery Brigade smokes by the German howitzer Panzerhaubitze 2000, called Tina by the unit, amid Russia's attack on Ukraine, near Bahmut, in Donetsk region, Ukraine, February 5, 2023. REUTERS/Marko Djurica 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi 

Ukrainian Defence Minister Oleksii Reznikov holds a news conference, amid Russia’s attack on Ukraine, in Kyiv, Ukraine February 5, 2023. REUTERS/Viacheslav Ratynskyi