The site of the Chernobyl Nuclear Power Plant in northern Ukraine has been surrounded for more than three decades by a 1,000-square-mile (2,600-square-kilometer) exclusion zone that keeps people out.

Ukraine appears to have destroyed a rare Soviet-era armored fighting vehicle. The Ladoga was designed for use in "doomsday" environments. There are thought to be only four or five in existence.

Spiking radiation levels recorded at Chernobyl are probably due to Russian military vehicles stirring up radioactive dust, according to Ukraine authorities. Russian forces gained control of the ...