Its troops are reported to be advancing from the north of Kyiv.
Other cities that have been targeted include Odessa, the major port on the Black Sea, and there are reports of hundreds of explosions in Mariupol, which is located close to Russian-occupied territory.

But also in towns like Lutsk in Ukraine's west. It shows the breadth of the assault from the Russian military.

Ukraine has declared martial law, urging citizens to take up arms to defend their country. There are reports of heavy casualties already on both sides. And as the West threatened to cripple Moscow's economy with devastating sanctions, an ominous warning from Vladimir Putin to any country trying to interfere - you will face "consequences you have never seen", he declared.