Elsewhere, Russian rocket attacks across Ukraine continued on Monday, with casualties reported in the cities of Lviv and Kharkiv. Mariupol's Azovstal factory has been hit with heavy bombs, local authorities said.
Russian forces have begun a new big offensive in the east of Ukraine after their retreat from the capital region and other parts of the country.
It comes as Kyiv continues to call for tighter Western nations against Moscow and more weapons to repel Putin's forces.
Read more about Monday's events as they unfolded in our blog below.