War enters 100th day with Russia controlling 'fifth of Ukraine'

A Ukrainian serviceman is seen at his new position retaken by the Ukrainian forces, amid Russia's attack on Ukraine, in Donetsk region. (Picture credit: Reuters)

A launch truck fires the High Mobility Artillery Rocket System (HIMARS) produced by Lockheed Martin during combat training in the high desert of the Yakima Training Center, Wash (Picture credit: AP)

Ukraine's President Volodymyr Zelenskyy visits a place of a fight with Russian troops during Russia's invasion to Ukraine. (Picture credit: Reuters )

A local resident walks, as his neighbour's house burns after shelling, as Russia's attack on Ukraine continues. (Picture credit: Reuters)

View shows a destroyed school in a military strike on the previous night, amid Russia's invasion of Ukraine, in Kharkiv (Picture credit: Reuters)

Oleksandr Silyuta, 53, returns to his home to recover his belongings, in a neighbourhood destroyed by Russia's attacks on Irpin, outside Kyiv. (Picture credit: Reuters)

A girl rides a scooter near destroyed buildings during attacks in Irpin outskirts Kyiv, Ukraine (Picture credit: AP)

A woman stands in her house at a window in a destroyed building during attacks in Irpin outskirts Kyiv. (Picture credit: AP)

Ukrainian Emergency Situations Ministry employees search the site of a bombing in the school where a graduation ceremony in Kharkiv (Picture credit: AP)

Destroyed room in the school where a graduation ceremony, called the Last School Bell, was supposed to take place in Kharkiv (Image credit: AP)

People ride a bike past a building damaged by an overnight missile strike in Sloviansk, Ukraine. (Image credit: AP)

The Russian military's Uragan multiple rocket launchers fire rockets at Ukrainian troops at an undisclosed location. (Image credit: AP)

Ukrainian servicemen prepare to detonate unexploded Russian ammunition in the outskirts of Kyiv, Ukraine. (Picture credit: AP)