Kyiv and Moscow blame each other for the collapse of a critical dam on the Dnipro River. It remains unclear what caused the breach. Follow live updates here.

World Ukraine dam burst 'a consequence' of Russia's invasion -UN chief. Posted . The United Nations does not have any independent information on how a Ukrainian dam burst, U.N. Se

The nature of the Ukraine war has undergone some dramatic changes. As part of its strategy to fight back , Ukraine is doing the one thing that the West had been squeamish about. There has been a spate of cross-border,