. . Chemical warfare takes on a whole new dimension in eastern Ukraine, the scars of artillery and trench warfare pockmarking the landscape.The invisible enemy is brutal: the action of chemical agents by Russian forces against Ukrainian soldiers entrenched in Donbas. It is nothing new, just the revival of one of the most odious tools of war, which has returned to the battlefield in no less insidious form.The drones that drop gas grenades into trenches and dugouts force soldiers to leave their many months-won positions, creating an atmosphere of fear and vulnerability among Ukrainian forces.The article below looks at the use of chemical agents reportedly by Russia, the toll on Ukrainian soldiers, the historical roots of the use of chemical warfare, and the urgent need for an international response to prevent further escalation.

Donbas: A New Generation of Chemical War

Chemical warfare traces its roots back to World War I, where German forces employed chlorine gas in one…