The founder of a pro-Russian militia group in eastern Ukraine, described by authorities in Kyiv as a “criminal mastermind”, has died following a bombing in central Moscow, according to Russian state media.

Armen Sarkisyan, the founder of a separatist battalion fighting in eastern Ukraine, died after an explosion in an apartment complex, according to reports citing the Russian authorities.

Russian security forces allege Ukraine's role behind the bomb blast in Moscow. Sarkisyan, a pro-Russian leader, was on the wanted list of Kyiv for a long time

Armen Sarkisyan, a pro-Russian collaborator from Donetsk Oblast wanted by Ukraine, died in the hospital after being injured in an explosion in an elite residential complex in Moscow on Feb. 3, the state news agency TASS reported,

A Ukrainian separatist wanted by Kyiv was killed in a “carefully planned” explosion at a luxury apartment block in north-west Moscow on Monday.

Armen Sargsyan, the leader of a pro-Russian paramilitary group in eastern Ukraine, died in a hospital after he was injured in an explosion in Moscow on Monday, Russian officials said.

A bomb explosion that killed a pro-Kremlin paramilitary leader from eastern Ukraine may have been a suicide attack, Russian media reported Tuesday, citing law enforcement sources. Armen Sarkisyan, founder of the Arbat Battalion,

Moscow flat bomb kills pro-Putin paramilitary leader as Kyiv strikes energy plants - A pro-Russian separatist, known to be a close associate of ousted Ukrainian president Viktor Yanukovych, was the al

A pro-Putin paramilitary leader was killed in a bomb blast in the lobby of a luxury apartment building in Moscow, according to Russian authorities and news reports. Armen Sarkisyan, whom Ukraine has accused of aiding Russia’s war in Donetsk,