Ukraine shot down 29 of 30 missiles launched by Russia in overnight air strikes but one person was killed in an attack on the southern city of Odesa, the Ukrainian military said on Thursday.
Denys Vatrushev, 39, was abandoned by the Wagner group after sustaining a leg injury caused by a mine explosion.
The companies helping supply Russian army goods were found in Germany, France, Switzerland, Italy, Hungary and other places in Europe.
The expert said Russia should reconsider the survivability of its nuclear delivery vehicles after a failed attack on Kyiv on Tuesday.
Experts believe Ukraine may try to liberate either one or both occupied regions in its much-anticipated counteroffensive.
Yevgeny Prigozhin, the head of the Wagner mercenary group, speculated on how four Russian military aircraft were shot down inside Russian territory.
Wagner chief Yevgeny Prigozhin reportedly extended the offer to Ukraine a number of times but was rejected due to a lack of trust.
"The myth of the mighty Russian army, which has haunted Europe and Germany for so long, is finally being dispelled," Ukrainian presidential advisor Mykhailo Podolyak said.
More than a thousand Russian military personnel perished on the battlefield over the weekend as their death toll continues to inch closer to the 200,000 mark.
Some of the strategic bombers near the border were involved in cruise missile attacks on Ukraine.
Arman Soldin: from Bosnia to Ukraine with a smile
A Russian soldier indicated his willingness to surrender to a Ukraine-operated drone despite fears his colleagues in the military would kill him.
Defense Secretary Lloyd Austin said the U.S. will continue to 'strengthen NATO's collective defense and deterrence.'
Russia is poised to mark another grim milestone in its war against Ukraine as the death toll of Russian soldiers inches closer to the 200,000 mark.
Russia has pulled tanks and howitzer armaments, first manufactured in the 1940s and decommissioned in the 1980s, from storage to use in its war in Ukraine.
Russian milbloggers claim the strike may have killed Ukrainian Chief Advisor Alexei Titarenko.
Russian mercenary boss Yevgeny Prigozhin complained on Wednesday that his Wagner fighters were still not getting enough shells from the defence ministry to underpin what he said was their advance in the eastern Ukrainian city of Bakhmut.
North Korean leader Kim Jong-Un has commended Russia for its victory against the Nazis in 1945 and expressed confidence in its ongoing war with Ukraine.
The Ukrainian military has revealed that members of a Russian army brigade have been caught on video fleeing from the frontlines in the heavily contested city of Bakhmut.
Russia's Wagner mercenary group is now accepting Nazi sympathizers to join the war in Ukraine, despite Vladimir Putin's aim to "de-Nazify" the country.
Soldiers are left in a state of "shock" and severely traumatized by shelling during the ongoing war in Ukraine.
The ongoing armed conflict between Ukraine and Russia poses a significant risk to Zaporizhzhia nuclear power plant, a U.N. watchdog claimed.