Vladimir Putin
Almost 6,500 people have now been arrested in Russia for participating in anti-war protests.
The Russian president's motives for his invasion of Ukraine aren't exactly clear.
The prime minister said the UK and it allies will ensure the "flame of freedom" burns in Ukraine once again.
Russia has finally declared war on Ukraine, triggering a mass evacuation.
The Russian president said he was launching a “special military operation” against his neighbours.
CNN's Matthew Chance stopped his report to put on a flak jacket and helmet as loud booms were heard through the capital of Kyiv.
UK prime minister vows Western allies will "respond decisively".
Explosions heard across Ukraine, as government calls out a "full-scale invasion", soon after Russian president's announcement.
"We will defend ourselves. When you attack, you will see our faces, not our backs."
HuffPost UK takes you through all the recent times Moscow has been accused of meddling in British politics.