Ukraine war live updates: Moscow's defeat a matter of life or death for democracy, Kyiv says; Russia strikes Ukrainian capital

This is CNBC's live blog tracking developments on the war in Ukraine. See below for the latest updates. 

Explosions have been reported in the Ukrainian capital Kyiv overnight, with city officials stating that a missile attack is now known to have injured at least 12 people.

Missile fragments fell on a kindergarten in one part of the city while several enterprises and residential buildings were damaged on other parts of the capital. Falling missile fragments set cars on fire in another district. A fire was reported at a transformer substation and in a two-story non-residential building in the Podilskyi district as a result of falling missile debris.

Russia's defeat in the war is a matter of life and death for democracy, Ukrainian President Volodymyr Zelenskyy said in his nightly address.

"We have to be resilient against various challenges, we have to be long-range to defeat Putin, and not be in a situation where doubts about the strength of the West help this madman," the president said Wednesday night.

"Putin must lose — and this is a matter of life and death for the democratic world," he added.

Russia's defeat in the war is a matter of life and death for democracy, Ukrainian President Volodymyr Zelenskyy said in his nightly address.

"We have to be resilient against various challenges, we have to be long-range to defeat Putin, and not be in a situation where doubts about the strength of the West help this madman," the president said Wednesday night.

"Putin must lose — and this is a matter of life and death for the democratic world. When he loses, the democratic world will have a good perspective for generations to come," he added.

Zelenskyy said he'd met earlier with Jake Sullivan, the U.S.' national security advisor,