MOSCOW: A Russian opposition activist called for anti-war protests in Russian cities on Thursday evening after Russia launched a massive military operation against Ukraine.

"We will be cleaning up this mess for years to come. Not even us. But our children and grandchildren," Marina Litvinovich, the Moscow-based activist, wrote on Facebook.

'Unprovoked and unjustified': world reacts to attack on Ukraine

"All we see is the agony of a dying man. Alas, Russia is in agony."