The White House said taking ownership of Ukrainian plants would give them the “best protection.” The idea faces legal hurdles and operational challenges, and it’s unclear if Ukraine would agree to it.

The U.S. administration suggested this week the United States could help run and possibly own Ukraine's power plants and energy infrastructure as part of a ceasefire deal with Russia. Although Ukrainian President Volodymyr Zelenskiy said he and Trump discussed only the vast Russian-occupied Zaporizhzhia nuclear power plant,

Russia attacked Ukraine's port city of Odessa overnight, triggering fires as several infrastructure targets were hit as well as a high-rise residential building and shopping center.

Russia's overnight attack on Kyiv injured at least seven people and sparked fires in high-rise apartment buildings and throughout the city, Ukrainian officials said early on Sunday.