Human rights groups Amnesty International and Human Rights Watch and Ukraine's ambassador to the United States Oksana Markova on Monday (February 28) accused Russia of using cluster bombs and vacuum bombs in the ongoing war. While Zelensky has accused Russia of war crimes, he said, 'No one in the world will forgive you for killing the people of Ukraine.' It is alleged that the Russian military has used cluster and vacuum bombs on Kharkiv. How and how dangerous are cluster bombs and vacuum bombs, see in this report