The war memorial
This is likely to be a part of the continuing escalation of discontent with the Belarussian govt. Google the row over the war memorial.
The spectre of politically-motivated hacking attacks has once again risen in Eastern Europe. Media websites in Belarus, in particular news site Charter97.org, are under a distributed denial of service attack. Charter97 has been unavailable for several days and under lower-level attack for much longer, security tools firm Arbor …
You're missing an important point here (or I am missing it in your report): Charter97 is an anti-Lukashenka (Europe's last dictator TM) website that has served as a hub for the Belarusian Human Rights movement. It has previously been hacked (they believe) by Belarusian child porn merchants linked to local law enforcement agencies: http://spring96.org/en/news/12371/
If the Russian state wanted to embarrass Lukashenka, they wouldn't block this website - in fact, quite the opposite. Although it is interesting that this comes at a time when the Russian Federation and Belarus are beefing about money and memorials.