At least one person was killed in a combined Ukrainian missile and drone attack, and a fire broke out on board a foreign-flagged ship, Russian authorities said, cited by Reuters and BTA.
The governor of Rostov region, Yuri Slyusar, said one person was killed and four seriously injured in an air strike carried out by Ukraine.
A missile attack on the city of Taganrog damaged civilian infrastructure. A fire broke out in the warehouses of a shipping company, Slyusar said.
A vessel was damaged in a drone attack in the Sea of Azov, and a fire broke out on board, the governor added.
The city of Togliatti was also attacked with drones, Samara region governor Vyacheslav Fedorishchev said. There is no information yet on what targets were hit. Ukraine has previously attacked the Russian nitrogen fertilizer plant "Togliatti Azot".