As the Georgian government entertains the idea of allowing Russia to resume direct flights, Washington and Brussels have issued warnings about complying with international sanctions.
Officials in Moscow and their allies in Abkhazia and South Ossetia all canceled meetings with international diplomats brokering the discussions, casting the future of the talks into question.
Dependent on outside aid and braced for renewed clashes with Azerbaijan, there are fears Karabakh Armenians might soon be forced out of the breakaway region for good.
Kyiv has long taken a pro-Azerbaijan position vis-a-vis the conflict with Armenia. Now officials say that Armenia and Russia are using the blockade to try to steal attention from Ukraine.
Azerbaijan's blockade of the Lachin Corridor comes as it accuses Armenia of dragging its feet over the fate of another critical route, the would-be Zangezur Corridor.
As the blockade continues into its second month, local authorities have begun issuing food coupons and announced rolling blackouts. A brief internet outage contributed to anxieties among the besieged population.