"Russia's artillery fire and strikes on the Donbas checkpoint continue to increase.", said Intelligence Service of the British Ministry of Defense, APA reports.
Said that the Ukrainians repelled numerous attempts by Russian forces to attack.
Added that, as before, environmental, logistics, and technical problems continue to affect Russia's ability to progress .
Stressed that the determination of the highly motivated Ukrainian Armed Forces also complicates Russia's advances.
"Russia's inability to overcome the resistance in Mariupol and its unequal attacks, which have also harmed the local civilian population, are an indication that it continues to fail to achieve its goals as quickly as it would like," the statement said.