The Monday bomb explosion that killed an ally of Russian President Vladimir Putin may have been a suicide attack, according to Russian media reports on Tuesday that cited law enforcement sources.

Sarkisyan, also known by nickname “Armen Gorlovsky” after Horlivka (Gorlovka in Russian) the eastern Ukrainian town he is from, founded the separatist Arbat Battalion fighting in the region.

Armen Sargsyan, leader of the criminal-filled Arbat battalion, died from his wounds at a hospital after a bomb exploded in the lobby of an apartment complex about 7 miles from the Kremlin.

TASS/. The creation of the Arbat volunteer battalion and the development of sports were the most notable achievements of Armen Sarkisyan, the man who was killed in an explosion in Moscow ...