That is according to a latest the U.K. Defense Ministry’s Defense Intelligence update on the situation in Ukraine.
The P66 is a key supply route for the northern section of russia's Donbas front from the Belgorod region of russia.
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"Its use has been disrupted by Ukrainian artillery since October, but if Ukraine were able to secure the route, if would highly likely further undermine russia's defense of Kreminna," the update said.
As Defense Express reported, earlier Ukraine’s Defense Intelligence Had Seen Impact of Economic Sanctions on russia.
Read more: The Five Biggest Defeats of the russian Army During the Ten Months of the War in Ukraine