Ukrainian President Volodymyr Zelenskyy said on Sunday that Russia wants to eliminate Ukrainians.

Zelenskyy said that this is genocide. We have over 100 nationalities, we are the citizens of Ukraine. This is about the destruction of all the nationalities.

The Ukrainian president made comments to Margaret Brennan during an interview on CBS News.

Zelenskyy said that they are the citizens of Ukraine and they don't want to be subdued to the policies of the Russian Federation.

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There are nearly 300 people buried in mass graves outside the capital of Kyiv. The mayor said the streets were covered in corpses.

Zelenskyy posted photos of Ukrainian deaths on Telegram.

The mothers of Russian soldiers should see that. See what you've raised. Murderers, looters, butchers, he said.

Russian President Vladimir Putin has shown no signs that he would slow his invasion of the country, even as reports of low morale among Russian soldiers emerge and the Ukrainian military continues to resist the incursion.

Insider reported last week that a top Russia expert warned that Putin will not abandon his goal of dominating Ukraine as long as he remains in power.

As long as Putin is in the Kremlin, he is not going to give up on Ukraine, which was where he served as a national intelligence officer.

He is not going to give up on his goal of having a pro-Russian government in Ukraine.

Zelenskyy said on Sunday that the city of Mariupol is dealing with a humanitarian disaster brought on by blocked humanitarian corridors and failed ceasefires.

Zelenskyy said that there have been lots of people and all the corridors have been blocked. The corridor for the food or water is not in the cities that are occupied by Russia.

There are a lot of dead bodies in Mariupol. There are a lot of wounded people.

Zelenskyy said that some people had to decide whether to go on foot or be evacuated.

Many of them have died on their way to the place where we are. Some of them had to be picked up by other people. Many people were shot and killed.

If we don't want hundreds of thousands, millions to die, the war must end.