Ukraine invasion: Putin's 'mistakes', Zelenskyy’s 'heroism' and the West’s reaction - the key takeaways from the first week

Edward Arnold, a European security expert from the Royal United Services Institute, said the Russian military is "not as modernised or prepared as we thought it might be" which "proved quite catastrophic" for them. He thinks Russian President Vladimir Putin did not trust his own people enough to tell soldiers what their objectives were.