Mumbai, Feb. 20 -- Gold futures climbed toward $5,050 per ounce on Friday, extending gains for a third straight session as geopolitical tensions and uncertainty over US monetary policy boosted safe-haven demand. Rising strains between the United States and Iran supported buying interest, even as a stronger dollar limited upside. Investors are closely watching upcoming US GDP and PCE inflation data, while recent FOMC minutes highlighted a divided policy outlook, with some officials open to further rate hikes if inflation stays elevated. On MCX, April gold futures rose nearly 1% to around Rs 1,56,249 per 10 grams, while overseas April contracts on Comex gained close to 1%. Expectations for aggressive rate cuts have eased, though markets still...