A recent explosion in an elite residential area of Moscow has left at least one person dead and several others injured. The blast resulted in the death of a pro-Russian paramilitary leader, Armen Sarkisyan, who was known for his involvement in the Ukraine conflict and was a wanted figure by Ukrainian authorities. The explosion, described as an apparent assassination, has raised concerns over security in the capital as tensions continue to heighten between Ukraine and Russia. Emergency services responded to the scene, where the explosion occurred in the lobby of the upscale building, leading to multiple casualties.