Both Russia and Ukraine have accused each other of the collapse of a dam and large-scale flooding in southern Ukraine. Turkish President Recep Tayyip Erdogan has been mediating by holding individual telephone talks with the leaders of both countries.

The Ukrainian prosecutor's office said that more than 7,000 people live in the affected area and that "the destruction of the dam is a war crime" The Russian President's Office claimed that "Ukraine is making a risky gamble to escalate tensions at the behest of the West"