An explosive device reportedly detonated in the entrance of a Moscow apartment complex on Monday morning, injuring multiple people and killing the head of a Russian paramilitary unit. The incident echoes the December death of Russian chemical weapons chief Igor Kirillov,

Since the start of Russia’s invasion, Ukraine has been accused of orchestrating a series of lethal operations on Russian territory.

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

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.

A pro-Russian paramilitary leader from eastern Ukraine, Armen Sarkisyan, was killed on Monday when a bomb tore through parts of a luxury apartment block in Moscow, state news agency TASS and other Russian media reported.

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

Armen Sarkisyan, the Moscow-backed collaborator from Ukraine's Donetsk region, died in hospital after being injured in an explosion in an elite residential complex in Moscow on Monday, according to Russian state-run outlets.