Russia launches military operation in Ukraine

Russian President Vladimir Putin announces a "military operation" in Ukraine's Donbas region and urges Ukrainian soldiers in eastern Ukraine to lay down their weapons and return to their homes.

Meanwhile Ukraine's foreign minister has accused Russia of starting a full-scale war, and is urging the United Nations "to do everything possible" to stop it.

Russia's defence ministry denies attacking Ukrainian cities, saying it is targeting military infrastructure, air defence and air forces with "high-precision weapons". We’ll bring you the latest from Kyiv, Eastern Ukraine and Moscow.