Saudi Arabia appears to be expanding its ballistic missile manufacturing capabilities to produce larger, more powerful weapons, a development that could strengthen its ability to strike targets across the region and intensify concerns over a potential nuclear arms race involving Iran.According to Reuters report, which cited an analysis of satellite imagery by US researchers, construction at a missile complex west of Riyadh points to a possible expansion of solid-fuel missile production. The researchers said the new facility could accommodate larger missile motors, potentially enabling the production of weapons with greater range or heavier payloads.The suspected expansion is centred on a…