Gold prices slightly declined on Wednesday as investors are cautious before the US Federal Reserve's policy decision and monitored the Israel-Iran conflict closely. Spot gold fell 0.06 per cent to $3,386.88 per ounce by 12:51 GMT, down from a previous close of $3,388.76. Meanwhile, US gold futures fell 0.04 per cent to $3,405.70 per ounce, compared to $3,406.9 at the close on Tuesday. Attribution: Amwal Al Ghad English, Reuters Subediting: Y.Yasser