Olena, the mother of Denys Snihur, 25, a border guard-turned-soldier, killed by Russian shelling in the northern town of Ovruch, mourns her son during his funeral at the Lychakiv cemetery, in Lviv, Ukraine, March 21, 2022. REUTERS/Zohra Bensemra TPX IMAGES OF THE DAY 

A soldier carries the cross as he stands in front of the coffin of Denys Snihur, 25, a border guard-turned-soldier, killed by Russian shelling in the northern town of Ovruch, during his burial at the Lychakiv cemetery, in Lviv, Ukraine, March 21, 2022. REUTERS/Zohra Bensemra 

A soldier carries a photograph of Denys Snihur, 25, a border guard-turned-soldier, killed by Russian shelling in the northern town of Ovruch, during the memorial service at Saints Peter and Paul Garrison Church, in Lviv, Ukraine, March 21, 2022. REUTERS/Zohra Bensemra 

Soldiers carry the coffin of their comrade Denys Snihur, 25, a border guard-turned-soldier, killed by Russian shelling in the northern town of Ovruch, while his parents walk behind, after the memorial service during his funeral outside Saints Peter and Paul Garrison Church, in Lviv, Ukraine, March 21, 2022. REUTERS/Zohra Bensemra 

Members of the Ukrainian military carry a Ukrainian flag and picture of Major Ivan Skrypnyk, who died as a result of Russia's missile attack on the Ukrainian military base in Yavoriv, during his funeral, following Russia's invasion of Ukraine, at Lychakiv Cemetery, in Lviv, Ukraine, March 17, 2022. REUTERS/Pavlo Palamarchuk 

A member of the Ukrainian military holds a cross during the funeral of Major Ivan Skrypnyk, who died as a result of Russia's missile attack on the Ukrainian military base in Yavoriv, following Russia's invasion of Ukraine, at Lychakiv Cemetery, in Lviv, Ukraine, March 17, 2022. REUTERS/Pavlo Palamarchuk 

The mother of Major Ivan Skrypnyk, who died as a result of Russia's missile attack on the Ukrainian military base in Yavoriv, reacts during his funeral, following Russia's invasion of Ukraine, at Lychakiv Cemetery, in Lviv, Ukraine, March 17, 2022. REUTERS/Pavlo Palamarchuk TPX IMAGES OF THE DAY 

A woman reacts following the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY 

The mother of Oleg Vashchyshyn touches the picture of her son during the funeral service following the death of him and three fallen comrades, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Servicemen, relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Servicemen hold coffins as relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

A woman holds flowers following the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

A member of the Honour Guard holds a portrait of the member of the Ukrainian Armed Forces, Valerii, who was killed during Russia's invasion of Ukraine, during a funeral ceremony in Kyiv, Ukraine, March 8, 2022. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY 

A serviceman holds flowers as relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Service members carry coffins of Viktor Dudar and Ivan Koverznev, Ukrainian servicemen killed on March 2, during Russia's invasion of Ukraine, in central Lviv, Ukraine, March 8, 2022. REUTERS/Roman Baluk 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

A man holds the national flag during a funeral ceremony for the member of the Ukrainian Armed Forces, Valerii, who was killed during Russia's invasion of Ukraine, during a funeral ceremony in Kyiv, Ukraine, March 8, 2022. REUTERS/Valentyn Ogirenko 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

People attend the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn following the Russian invasion, during a ceremony in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach 

Members of the Honour Guard holds a portrait of the member of the Ukrainian Armed Forces, Valerii, who was killed during Russia's invasion of Ukraine, during a funeral ceremony in Kyiv, Ukraine, March 8, 2022. REUTERS/Valentyn Ogirenko 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

Relatives and friends mourn the death of four fallen Ukrainian servicemen, Oleg Vashchyshyn, Kyrylo Vyshyvanyi, Rostyslav Romanchuk and Serhiy Melnyk, who were killed in a rocket attack against a military base in Yavoriv during the ongoing Russian invasion, during a memorial and funeral service in Lviv, Ukraine, March 15, 2022. REUTERS/Kai Pfaffenbach 

A picture of Ukrainian serviceman Victor Dudar is seen amongst flowers on his grave as people attend the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn, following the Russian invasion, in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach 

A person attends the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn following the Russian invasion, during a ceremony in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach TPX IMAGES OF THE DAY 

People attend the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn following the Russian invasion, during a ceremony in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach 

A person touches a coffin during the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn following the Russian invasion, during a ceremony in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach 

Gunners stand during the memorial and funeral service for three fallen Ukrainian Army service men, Taras Didukh, Dmytro Kabakov and Andrea Stefanyshyn following the Russian invasion, during a ceremony in Lviv, Ukraine, March 11, 2022. REUTERS/Kai Pfaffenbach 

Members of the Honour Guard place the national flag to a coffin with a body of the member of the Ukrainian Armed Forces, Valerii, who was killed during Russia's invasion of Ukraine, during a funeral ceremony in Kyiv, Ukraine, March 8, 2022. REUTERS/Valentyn Ogirenko