By Dan Peleschuk and Anna Pruchnicka KYIV, May 6 (Reuters) - Ukraine accused Russia of flouting a Kyiv-proposed ceasefire on Wednesday by carrying out dozens of battlefield assaults, air strikes and drone attacks in what President Volodymyr Zelenskiy described as Moscow's "obvious spurning" of peace.

Russia also launched several attacks in Ukraine on Tuesday, hours before the deadline for Kyiv’s ceasefire offer, killing at least 27, Ukrainian officials said.

Kremlin officials said a large strike on Kyiv would be “inevitable” if Ukraine disrupted the May 9 event, a prospect President Volodymyr Zelensky has appeared to allude to.

A Russian missile and drone attack on Ukraine's energy infrastructure killed five people ‌overnight, officials said on Tuesday, as President Volodymyr Zelenskiy denounced Moscow’s ceasefire offer as cynical amid continuing strikes.

Russia's Defense Ministry declared a unilateral ceasefire in Ukraine for Friday and Saturday to mark the 81st anniversary of the defeat of Nazi Germany in World War II, but it threatened to strike back at Kyiv if it tries to disrupt the Victory Day festivities.

Russian strikes killed at least 18 people across Ukraine on Tuesday, Kyiv said, as President Volodymyr Zelensky condemned Moscow's "utter cynicism" for launching deadly attacks while also seeking a

Russian drone and missile strikes targeting Ukraine’s power grid during the night killed at least five people and wounded 39 others, Ukrainian authorities said Tuesday, less than a day before Kyiv said it would enact a ceasefire and three days before Moscow promised its own truce.

KYIV, Ukraine — Ukraine on Sunday launched a wave of strikes against Russian oil targets, hitting a key loading port on the Baltic Sea and two tankers that Ukraine alleges were illegally used to transport Russian crude.