Ukrainian troops have retaken Kherson amid jubilation by residents after Russia abandoned the only regional capital it had captured since its invasion in February.
Russia has warned that the war in Ukraine is trending towards "uncontrolled escalation" as it fired missiles and drones into the Ukrainian-held southern town of Mykolaiv on Sunday.
Ukraine has reclaimed the key village of Davydov Brid in the southern region of Kherson amid reports of several other nearby villages being recaptured.