Russian president to attend informal talks with CIS leaders

[Iterate]

2. Both Belarus and Kazakstan had refused to support the invasion and annexation of Crimea.

Belarus Refuses To Support Russia's Invasion of Ukraine
At a meeting of presidents of the Customs Union on 5 March, Putin desperately tried to gain support on for Russia's invasion of Ukraine from his closest allies, Belarus and Kazakstan.

All his efforts, it would seem, appear to be in vain, as neither Lukashenka nor Nazarbaev publicly voiced support for Russia's aggression in Crimea. For both individuals, it became a dangerous precedent which showed the true nature of Russian politics in the post-Soviet space.

Now, the Belarusian authorities are attempting to re-launch their cooperation with the EU and preparing to host the Ice Hockey World Championship, they know full well that any involvement in the crisis in Ukraine could destroy their painfully reconstructed relations with the West.​
http://belarusdigest.com/story/belarus-refuses-support-russias-invasion-ukraine-17082

I should point out here that this is one of the rare occasions when dissidents in Belarus were in complete agreement with Lukashenka.