An FT investigation reveals Russia has been covertly assisting Iran in developing advanced supersonic cruise missiles, marking one of the most significant known transfers of military technology from Moscow to Tehran. The disclosure comes as the United States launched fresh strikes on Iran, escalating regional tensions. Simultaneously, a global bond sell‑off deepened on Tuesday amid mounting inflation fears, pressuring sovereign debt markets worldwide.

In a separate but related development, leading AI groups are racing to mitigate the risk that future models could enable users to create bioweapons, with industry leaders warning that "all it will take is one screw‑up" for catastrophic misuse. The FT News Briefing, produced by Sonja Hutson and Saffeya Ahmed, highlights these converging security, financial, and technological challenges.