The mayor of Mariupol estimated that at least 5,000 people have died since the beginning of the war.
Russian forces were accused by the city council of burning bodies and using crematoriums to hide their crimes.
Russian forces bombarded the city. Children were written in Russian on the outside of a maternity hospital and a theater that was attacked.
In a Telegram post, he called this a deliberate destruction of the civilian population of Mariupol.
Since the existence of the Nazi concentration camps, the world has not seen the scale of the tragedy in Mariupol. The entire city was turned into a death camp by the Russians, according to a city council Telegram post.
The mayor estimates that most of the infrastructure in the city has been destroyed.
The situation in Mariupol was so bad that the International Committee of the Red Cross stopped trying to get residents out.
The world should help punish Putin's villains, according to a Telegram post.
Nikita Angarski translated them.