Ukraine also launched drones at Russia, with Moscow's airports having to close for the second successive night.

Many of the reports conveyed by Russian media and government representatives are likely untrue. Such reports may be part of an information war by the Russian Federation.

The Kremlin said on Saturday it wanted what it called a "definitive" response from Ukraine to Russian President Vladimir Putin's offer of a three-day ceasefire to coincide with World War Two victory commemorations this month.