A total of 144 children have so far been killed and more than 220 injured as a result of Russia’s invasion, Ukraine’s prosecutor general’s office has said adding that the figures are probably much higher as deaths in Mariupol have not yet been confirmed.

Most children were injured in the Kiev region - 68, Kharkov - 49, Donetsk - 54, Chernigov - 38, Mykolaev - 3, Luhansk - 28, Zaporozhye - 22, Zhytomyr - 15, Sumy - 15, Kherson region - 25. 16 children are injured in Kyiv.

Bombing and shelling also damaged 773 educational institutions, 75 of which were completely destroyed, the office said in a statement released on Tuesday.