The United Kingdom on 7 July added Russia’s Scientific Research Institute of Applied Chemistry and two senior officers of the Radiological, Chemical and Biological Defence Troops to its sanctions list, accusing them of involvement in the use and transfer of chemical weapons during Moscow’s war against Ukraine. Lieutenant General Alexei Rtishchev, head of the RCB troops, and his deputy, Andrei Marchenko, face an immediate freeze on any UK-linked assets and a travel ban. The government said the institute supplied handheld chemical grenades—reportedly containing agents such as chloropicrin—that Russian forces have deployed against Ukrainian positions, in breach of the Chemical Weapons Convention. London’s move follows intelligence from European allies indicating an uptick in Russia’s battlefield use of banned toxins and adds to a series of measures targeting Moscow’s military and industrial capacity. British officials said the sanctions aim to tighten pressure on those enabling chemical warfare and to reinforce international norms prohibiting such weapons.