Russian troops build-up 'greatest act of hostility towards Ukraine in our lifetimes' - Boris Johnson

The transcript discusses the significant buildup of Russian troops on Ukraine's border, highlighting the potential for a large-scale invasion. It reflects on the historical context of the 2014 Crimea invasion and the ongoing conflict that has resulted in thousands of Ukrainian deaths. The speaker warns of the political, humanitarian, and military disasters that could ensue from further Russian aggression, contradicting President Putin's claims of acting in Ukraine's interest.

What historical event is referenced in relation to the current military presence of Russian troops?

What does the speaker imply about President Putin's claims regarding the interests of the Ukrainian people?