Russia is accused of violating the Chemical Weapons Convention (CWC), an international treaty that has banned the manufacturing of the weapons in most circumstances and their use in war for decades. Chemical weapons have also long been banned in combat under several other treaties that Russia has signed.

The United States on Wednesday accused Russia of violating the international chemical weapons ban by deploying the choking agent chloropicrin against Ukrainian troops and using riot control agents "as a method of warfare" in Ukraine.

Washington says banned substances including poison gas used during the First World War are being deployed on the battlefield, with one soldier suffocating to death

Russian Defence Minister Sergei Shoigu ordered more, and swifter, delivery of weapons for Moscow's military operation in Ukraine, the Russian defence ministry said on Wednesday. Russia, which calls its war in Ukraine a special military operation,

But it has nothing to do with World War Two. On display is Western military hardware captured by the Russian army in Ukraine. They are war trophies and Russia has decided to flaunt them. Among the armour here is a British Army Husky tactical support vehicle which had been donated to Ukraine.

Russian defence minister Sergei Shoigu says its volume and quality of weapons should be stepped up. The Security Service of Ukraine (SBU) is carrying out planned counter-intelligence exercises in Kyiv,

Russia's Defence Minister Sergei Shoigu has issued directives to ramp up weapons production for the war in Ukraine, following the recent approval of a delayed multibillion-dollar military aid package for the Ukrainian government by the United States,