All three nuclear power plants still under Ukrainian control were disconnected from the electricity grid, Ukraine’s nuclear operator said  after fresh Russian air strikes hit the country.

Energoatom said in a statement that the strikes had activated emergency protocols at the Rivnenska, Pivdennoukrainska and Khmelnytska nuclear power plants and that “as a result … all reactors were automatically disconnected” from the electricity grid, the company said on social media.