Russia attacks Ukraine Russian president announces military operation in Donbas region, warns other nations of consequences if they interfere.

Russia attacks Ukraine – Russian President Vladimir Putin announces military operation in eastern Ukraine’s Donbas region.

Russia attacks Ukraine – Ukrainian President Volodymyr Zelenskyy declares martial law throughout the country, says Ukraine will ‘win’.

Russia attacks Ukraine – US President Joe Biden denounced “unprovoked and unjustified” attack on Ukraine, pledging the world will “hold Russia accountable”.

Russia attacks Ukraine – UN Security Council members hold emergency meeting amid mounting tensions.

Russia attacks Ukraine – UN Secretary-General Antonio Guterres urges Putin to “stop troops from attacking Ukraine”.

Russia attacks Ukraine – Kremlin says Ukraine separatists have asked Moscow for “help” against Kyiv.

Russia-Ukraine war news LIVE updates: Russian President Vladimir Putin has announced a war on Ukraine. He said the clashes between Russian and Ukrainian forces are "inevitable". Putin even called on Ukrainian service members to "lay down their arms and go home". He said the special military action was "aimed at demilitarisation and denazification of Ukraine".

Russia-Ukraine war news LIVE updates: Meanwile, Ukraine's President Volodymyr Zelenksy said he unsuccessfully sought talks with his Russian counterpart Vladimir Putin. Zelenksy said a "major war in Europe" could be started by Russia soon. Volodymyr Zelenksy's statement comes even as Ukraine faces threats of the Russian invasion. The Ukrainian government closed airports in eastern Ukraine from midnight through 7 am because of the confrontation with Russia.

Russia-Ukraine war news LIVE updates: As Putin spoke, big explosions were heard in Kyiv, Kharkiv and other areas of Ukraine. Later, air sirens went off in Kyiv, indicating that the city is under attack. Ukrainian President Volodymyr Zelenskiy declared martial law in the country and said Russia had carried out missile strikes on Ukrainian infrastructure and the country’s border guards.

Russia’s move could ‘change dynamics in Russia’, analyst says Chris Weafer, Macro advisory CEO, said that Russia’s move could pose a risk for Putin’s domestic consensus. “What Putin has done is not just risky in terms of geopolitics and in terms of western reaction, but it is also in terms of domestic politics,” he said, pointing out that a growing active part of the population will not easily accept the consequences for them that will now come from Russia’s invasion.

Intensive shelling in Ukraine’s east, minister says Ukraine’s defence minister has said that Ukrainian units, military control centres and airfields in the country’s east are under intensive Russian shelling.

Living in fear Western nations said ahead of Thursday's operation Russia had amassed 150,000 troops in combat formations on Ukraine's borders with Russia, Belarus and Russian-occupied Crimea and on warships in the Black Sea. Ukraine has around 200,000 military personnel, and could boost that with up to 250,000 reservists.

Russia Says Destroyed Ukraine Airbases, Air Defences: Reports Ukraine Crisis: Vladimir Putin addressed the Ukrainian military, calling on soldiers to "lay down your arms", before issuing an assurance that they could "leave the battlefield without hindrance".