Ukraine claims early success in counteroffensive as Zelensky vows to ‘chase’ Russians to the border

Ukraine’s President Volodymyr Zelensky also issued a warning to Russian forces during his evening address Monday, saying it was time for them to “run away, go home,” and that “the occupiers must know we will chase them to the border.”Yet one of his advisers cautioned that the operation will be a slow one, that would “grind the enemy.””This process will not be very fast,” Oleksiy Arestovych, adviser to the head of the office of the President of Ukraine, said in a statement posted on Telegram late Monday, “but will end with the installation of the Ukrainian flag over all the settlements of Ukraine.””[The Ukrainian Armed Forces] have broken through the frontline in several sectors,” Arestovych said in a video interview posted on YouTube, adding that Ukrainian forces were shelling ferry crossing points that Moscow is using to resupply Russian-occupied territory over the Dnipro River in the Kherson region.”We suppress their attempts to supply their groups on the west bank [of the Dnipro],” he said. “We strike at reserves, including reserves that are on the east bank and are trying to cross.”Earlier Monday, a Ukrainian military source told CNN that Ukrainian troops had taken four villages — Novodmytrivka, Arkhanhel’s’ke, Tomyna Balka and Pravdyne — back from Russian occupation, adding that the main target was the city of Kherson. “The operation began at night with massive shelling of Russian positions and the rear,” the source, who is not being named for security reasons, told CNN. Russia’s defense ministry acknowledged Kyiv’s operation but claimed that Ukrainian troops had “suffered heavy losses” and “failed miserably” in their “attempted” offensive. CNN has not been able to verify both Russian and Ukrainian claims. The Kherson region, crucial to controlling Ukraine’s southern coast and access to the Black Sea, was one of the first areas to be occupied by Russian forces when they invaded more than six months ago.In recent weeks, Ukrainian forces have been making advances around Kherson, including theMeanwhile, US officials believe Ukraine’s long anticipated counteroffensive will include a combination of air and ground operations.John Kirby, the communications coordinator for the National Security Council, said Monday that regardless of the size, scale and scope of the latest counteroffensive, the Ukrainians “have already had an impact on Russian military capabilities.””Because the Russians have had to pull resources from the east simply because of reports that the Ukrainians might be going more on the offense in the south,” Kirby said. “And so they’ve had to deplete certain units … in certain areas in the east in the Donbas (region), to respond to what they clearly believed was a looming threat of a counteroffensive.”Kirby also said that Russia “continues to have manpower problems” in Ukraine and is trying to expand its recruitment of fighters inside Russia as well as “entice” some of their conscripts and contract soldiers to serve beyond their timeframes. CNN’s Darya Tarasova, Natasha Bertrand, Sharif Paget, Josh Pennington, Michael Conte, Alex Hardie and Kim Norgaard contributed to this report.