Those advances were the most significant front-line changes since Russia withdrew from areas around Kyiv in April.
While the evacuation in Kupiansk suggests a worsening situation there, Bakhmut has seen fierce fighting for months.
In a video posted on Telegram, Yevgeny Prigozhin, head of the paramilitary group Wagner, on Friday said that "pincers are closing in" around Bakhmut.
In a direct message to President Zelensky, he said Wagner units had "practically encircled" the city, with only one road remaining.
He called on the Ukrainian president to abandon the city. พนันมวยไทย