What to know

• By Francois MurphyVIENNA, Oct 7 (Reuters) - US Vice President JD Vance told Reuters on Tuesday Iran must make a "meaningful" reduction in its uranium enrichment capacity to satisfy US demands and end the countries' seven-month war.While it is not clear what ex...S1
• While it is not clear what exactly he meant, below is a summary of what is known, and not, about the current status of Iran's uranium enrichment programme, which is at the heart of its nuclear infrastructure.S2