Live updates: Russia's war in Ukraine

A firm death toll following weeks of heavy bombardment of Mariupol is not available.However, journalists in Mariupol have documented the hasty burial of civilians in the besieged city, and images have surfaced on social media showing bodies apparently left for collection in the city.Read the full story: From CNN's Tara John, Oleksandra Ochman and Sandi SidhuWhen Russian troops invaded Ukraine and began closing in on its capital, Kyiv, Andrii Dereko begged his 22-year-old stepdaughter Karina Yershova to leave the suburb where she lived.But Yershova insisted she wanted to remain in Bucha, telling him: "Don't talk nonsense, everything will be fine — there will be no war," he said.With her tattoos and long brown hair, Yershova stood out in a crowd, her stepfather said.As Russian soldiers surrounded Bucha in early March, Yershova hid in an apartment with two other friends. Meanwhile, an estimated tens of thousands of civilians in Mariupol remain trapped by air and ground attacks with little opportunity to evacuate safely, and satellite images point to evidence of mass graves outside the city.Here are the latest developments on Russia's war in Ukraine:From CNN's Jennifer HauserThe Estonian and Latvian parliaments adopted statements on Thursday saying Russia has committed genocide in Ukraine.In its statement, Estonia said "systematic and massive war crimes have been committed against the Ukrainian nation by the Armed Forces of the Russian Federation," according to its parliament, the Riigikogu.It cited the towns of Bucha, Borodianka, Hostomel, Irpin and Mariupol as well as other settlements that were occupied by Russian forces.Latvia's parliament, the Saeima, unanimously adopted the statement, saying it was based on "extensive testimonies and evidence of brutal mass atrocities — the murders, torture, sexual violence and desecration of Ukrainian civilians, including women and children."What is genocide: The UN defines genocide as “acts committed with intent to destroy, in whole or in part, a national, ethnic, racial or religious group." Genocide is when crimes against humanity are carried out with the goal of eliminating a population.US President Joe Biden recently called the atrocities being uncovered in Ukraine “genocide.”From CNN's Hira HumayunIn his nightly address on Thursday, Ukrainian President Volodymyr Zelensky warned Russia that any attempts at annexation will lead to sanctions that will leave it as poor as it was after its civil war in 1917.He urged the residents of the southern regions of Kherson and Zaporizhzhia to be very careful about the information they provide to Russian troops.“If they ask you to fill out some questionnaires, leave your passport data somewhere, you should know - this is not to help you … This is aimed to falsify the so-called referendum on your land, if an order comes from Moscow to stage such a show,” he said.Zelensky thanked the prime ministers of Spain and Denmark for their support as they arrived in Kyiv and thanked the Danish prime minister for showing readiness to support post-war reconstruction in Ukraine, particularly in Mykolaiv.The Ukrainian president also thanked the US for additional support, saying, “The United States has announced a new package of support for our state. From CNN's Jorge EngelsUkraine’s military intelligence on Wednesday released a purported communications intercept of Russian armed forces referring to an alleged order to kill Ukrainian prisoners of war in the city of Popasna in the eastern region of Luhansk, which is bearing the brunt of Russia’s renewed attack.