Russian satellite television menus were altered to show viewers in Moscow messages about the war in Ukraine.
Western officials have warned Vladimir Putin regrouping his troops could destroy huge sections of the Ukrainian army.
Vladimir Putin's daughters are among those to be sanctioned by the EU and the US over allegations of war crimes being committed in Ukraine.
The bodies of Olha Sukhenko and her husband and son were found covered in sand in their village of Motyzhyn, near Kyiv.
It has been over a month since Putin ordered his troops to invade Ukraine, leaving behind a trail of destruction.
Dmitry Medvedev, who served as president of Russia from 2008 to 2012, listed the four scenarios in which Russia would launch their nuclear arsenal.
In a wide-ranging exclusive interview with Yahoo News France, Klitschko said he has cried every day since the Russian president launched his invasion of the country.
Andrei Kozyrev, who served under Putin's predecessor Boris Yeltsin, also dismissed the chances of nuclear war, declaring it an 'empty threat' from Putin'.
As the Ukraine crisis rages on, the Mariupol Drama Theatre is now a scene of casualties and death following the reported shelling during the Russian siege.
The message was at odds with that of Russian opposition politician Leonid Volkov, who told the same programme Putin is 'crazy'.
A Russian missile hit the Babyn Yar Holocaust memorial in Kyiv on Tuesday afternoon.
More than half a million people have fled Ukraine since the start of Russia's invasion last week.
Staff at the hospital, which specialises in treating children with cancer, have pleaded for an end to the fighting.