Ukrainian child's diary highlights impact of war on children

Yegor began writing daily diary entries out of boredom but it became a coping tool as the war in Ukraine raged on. (ABC News: John Lyons)

Ukrainian boy Yegor Kravtsov has seen things that no-one should see — particularly when they're eight years of age.

Now nine, Yegor wrote a diary chronicling his experience living for 96 days through one of the worst battles of the war between Russia and Ukraine — the Battle of Mariupol.