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.

Armen Sargsyan, the leader of a paramilitary unit wanted by Ukraine, died from his injuries following an explosion on Monday morning.

Pro-Russian paramilitary leader Armen Sarkisyan killed, while Ukraine eyes attacks on recruitment centres. An explosion in a Moscow apartment block has killed the leader of a pro-Russian military faction based in eastern Ukraine, according to Russian state media.