Could Europe use frozen Russian assets to rebuild Ukraine?

From the BBC World Service: European commission president Ursula von der Leyen has proposed taking Russian assets that have been frozen in Europe and using them to compensate for wartime damages. Unrest has continued overnight in various Chinese cities as protesters call for an end to strict COVID measures. And if your flight is cancelled or severely delayed in the U.S., you're entitled to compensation. In Australia, travelers no such guarantees, so consumer groups are pushing for better legal protections.