Armen Sarkisian, a known mafia boss from east Ukraine, is the latest target in a string of explosions on Russian soil.

According to Russian state media, at least two people were killed in a bomb blast in the lobby of a luxury apartment building ...

Ukraine have launched a suspected assassination attempt on the creator of Russia's Arbat battalion which fights in Donetsk ...

Russian authorities and news reports say an explosion in an upscale Moscow neighborhood killed two people, including the founder of a battalion that battled Kyiv’s forces in eastern Ukraine.