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.
The embassy's chief of security was shot dead, and two other staff were wounded. The attack comes amid Azerbaijan's increasingly strained relations with Iran and blossoming friendship with Iran's archrival Israel.
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.
Vakhtang (Buba) Kikabidze, a Georgian singer and actor universally loved across the former Soviet Union, has died at the age of 84, drawing the curtain on an era.