The Russian military fired a missile at a railway car with humanitarian aid for residents of Donetsk Oblast, Mariupol mayoral advisor Petro Andriushchenko said in a Telegram messenger post on June 15.
"At first, the Russians destroyed Mariupol and its residents," he said.
"Now, a Russian missile hit a car with the World Central Kitchen humanitarian aid, which was supposed to feed Donetsk Oblast and will now affect Mariupol residents in the YaMariupol centers."
At the same time, Andriushchenko did not specify in which area and when exactly the train had been destroyed.
Mariupol was under siege by the Russian invaders for almost three months. Russia's actions led to a large-scale humanitarian catastrophe, as the invaders bombed residential areas and civilian infrastructure, as well as continually blocking humanitarian aid.
At least 25,000 civilians have been killed by the Russians, Ukrainian authorities estimate.
Mariupol Mayor Vadym Boichenko said that the city might face an infectious diseases disaster due to water shortages.