The United States said the international community should be “concerned” about arms sales to the military junta in Myanmar without mentioning any suppliers by name.

As Myanmar faces increased isolation from the world following the military coup of Feb. 1 and the ensuing crackdown on democratic protesters, Russia fills the void by providing increased support through military aid. The Kremlin’s recent warming toward the military junta in the Southeast Asian country directly contrasts with increasing Western condemnation.