The Russian assault is being fought on several fronts after it attacked from the east, north and south.

Many government and company websites go down in the largest cyber-attack since the crisis began.

The BBC talks to Russians in Moscow and Rostov to find out what they think of the assault on Ukraine.

Petrol hits another record as crude prices reach their highest level for more than seven years.

Boris Johnson will give a televised statement later before revealing new sanctions against Russia to MPs.

People in Kostyantynivka are no strangers to war, but Russia's attack has left them fearing for the future.

What you should know about the reasons given for Russia's military assault on Ukraine.

Russia has launched a large-scale military attack on its southern neighbour - here's what we know.

Outrage in the West, and China balks at the word invasion. How Ukraine is shaking the globe.

Western nations are planning to impose severe sanctions on Russia, over its invasion of Ukraine.

Ukraine is outgunned and outnumbered - and the invasion by Russian forces threatens to be bloody.

Marta Shokalo, of the BBC Ukrainian Service, describes shock and panic in the capital, Kyiv.

Russian forces have crossed Ukraine's borders, bombing military targets near big cities.

People take cover in air raid shelters as Ukraine's capital is hit by the first bombs since World War Two.

Volodymyr Zelensky came to power vowing to end a war in eastern Ukraine that has only intensified.

In an hour-long televised speech, the Russian leader made accusations, grievances and challenges.

President Putin has made changes to protect the Russian economy since it first was hit by sanctions in 2014.

Nato allies suspect that Russia will use a false flag attack as a pretext to invade Ukraine

A large explosion in the sky is captured on camera on the second day of Russia's assault.

Russian police make hundreds of arrests after crowds demonstrate in support of Ukraine.

Russia launches a full-scale attack on Ukraine - after previously saying it wouldn't. Here's how it unfolded.

Footage from Ukraine as Russia attacks shows explosions, a fireball at an airport and a helicopter under fire.

A missile sparks a fireball as it hits Ivano-Frankivsk International Airport in western Ukraine.