U2 rock band frontman Bono and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko TPX IMAGES OF THE DAY 

Ukrainian people listen to U2 rock band frontman Bono during his performance inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono and The Edge sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono, The Edge and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono, The Edge and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono, The Edge and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono sings during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono and The Edge sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

Bono and The Edge sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko 

U2 rock band frontman Bono and Ukrainian serviceman, frontman of the Antytila band Taras Topolia sing during a performance for Ukrainian people inside a subway station, as Russia's attack on Ukraine continues, in Kyiv, Ukraine May 8, 2022. REUTERS/Valentyn Ogirenko