"Enemy manpower superiority is reportedly 10-fold," a Russian soldier fighting in Klishchiivka said in a video that has emerged on social media.
The Russian president tasked the former chief of the mercenary group, Andrey Troshev, with finding troops for combat formations.
"You can't leave equipment out in open places like this," the soldier said of the strike purportedly in the Donetsk oblast of eastern Ukraine.
"We will destroy 1, 2, 3 or 5 million Ukrainians," Pavel Gubarev, former self-appointed "governor" of Donetsk, told an interviewer.
"Putin is looking for any chink in our armor," Kremlin critic Bill Browder told Newsweek.
The Kremlin struggled to explain President Vladimir Putin's apparent U-turn on using mercenaries in his full-scale invasion of Ukraine.
"Russia uses CNC machines to produce physical parts that are then used in almost all of its weapons," Mark Savchuk told Newsweek.
Many of the mercenary fighters will have prior knowledge of the terrain and Ukrainian tactics around Bakhmut, the British Defense Ministry said on Friday.
Russia should conduct nuclear tests at the location at least once to scare the West, Vladimir Putin ally Mikhail Kovalchuk has said.
Russian air defenses reportedly took down the fighter jet close to the frontlines in the contested Zaporizhzhia region of Ukraine.
Russia said shortly after the outbreak of all-out war in Ukraine that the risks of nuclear conflict were "considerable."
Andrey Troshev, a former Wagner commander, has been touted as the successor to the mercenary group's late leader, Yevgeny Prigozhin.
Our unwavering mutual support and unyielding belief in eventual victory kept us from succumbing to despair.
Kyiv claimed that Admiral Viktor Sokolov was killed in a strike in Sevastopol, but he has since appeared in footage on Russian television.
Russia's military has lost 6,375 artillery systems since the beginning of all-out war in Ukraine in February last year, Kyiv's military said on Thursday.
Despite a Russian official hinting about a possible end to the Ukraine war, the country's Finance Ministry has dramatically increased Putin's war budget.
"World War III is getting closer," former Russian President Dmitry Medvedev said in mid-July.
The initiative raises questions about payouts Vladimir Putin promised to injured servicemen in the war.
The strike, footage of which was shot from inside and outside the target vehicle, appears to have destroyed the Russian weapon.
The Kremlin leader "has narrowed the funnel of information that reaches him," according to a new report from the RAND Corporation.
Ukrainian presidential adviser Mykhailo Podolyak said Russia is reeling from strikes in Crimea.
Dutch oil refineries would be "a perfect target for a cluster munition," Kremlin propagandist Vladimir Solovyov said on state TV.
"When your house is on fire, you don't buy new curtains, you buy a fire extinguisher," Odesa-based activist tells Newsweek.