Ukraine has reported previously undisclosed Russian military activity near the Chornobyl nuclear site. These missile flights raise concerns about the risk of a major accident, particularly as the region approaches the 40th anniversary of the 1986 disaster.

Prosecutor General Ruslan Kravchenko detailed the previously unreported Russian military activity near Ukrainian nuclear sites in written ​remarks, as Ukraine prepares to mark on April 26, 40th anniversary of the 1986 Chornobyl disaster