A Russian diplomat's expulsion is pending and Bulgaria will leave Greece, Austria and Portugal the last to refuse to join the UK Scripal solidarity drive in the EU and NATO . PM Borissov has no options left but to join the international community's resolve to send Moscow a strong message.
The big question is whether this could lead to the collapse of the ruling coalition. At the moment Borissov's is desperately negotiating a compromise with the coalition partners, including a compensation and an acceptable format so that Kremlin does not retaliate. He expects the delay in expelling Russian spies from Sofia will be noted and appreciated by Kremlin.
The public support for PM Borissov's "balanced approach" by the Russian ambassador Makarov has made Bulgaria's government position virtually untenable - recent media publications in the West have criticized Bulgaria's failure to show solidarity with the UK at a critical time in the West's confrontation with Putin's Russia.