Russia airstrike hit major cities in Ukraine

A rare daytime missile attack struck a Children's Hospital in Kiev, killing 22 and injuring 68. The attack, involving 140 missiles, targeted civilian areas and is condemned worldwide. Russia claims it was debris from Ukrainian defenses, but evidence shows a direct hit. The attack aims to weaken Ukrainian resolve, similar to WWII strategies. Discussions in Washington focus on boosting Ukraine's defense capabilities.

What reasons did Russia provide for the attack on the hospital?

What is the strategic purpose behind such missile strikes according to the discussion?