RT.com has also been targeted in what appears to be a widespread denial-of-service (DDoS) attack

…

The websites of the Russian government, the Kremlin, the Duma, the Ministry of Defence, and RT were all affected by the apparent cyberattack, with some of the websites slowing down and others being taken offline for extended periods of time throughout the day.

Anonymous declare ‘cyber war’ against Russia

Works fine with a VPN. I had to use Mexico as my location, though.