New York resident Kevin Maher alleges five banks colluded to manipulate benchmark.
Military exercises in area that borders crisis-hit Ukraine ends as scheduled and gold drops from four-month high.
Indian authorities seize gold stockpiles without valid provenance.
Gold for immediate delivery rose 1.8% to $1,350.37 an ounce.
London gold fix may have been manipulated for 10 years.
Call for investigation comes amid FCA and Bafin probe of $20tn gold market.
Fed chief Janet Yellen to testify before Senate panel later in the day.
Kaloti Group bought gold from over 1,000 customers without paperwork.
Credit Agricole\'s Davis Hall says gold prices will not drop to $1,000 in 2014.
Gold dominates recent bullish action in commodities.
Gold futures rose 9.7% through 14 February after prices crashed 28% in 2013.
US gold futures surge over 4% as economic uncertainty impacts prices.
China imported and produced more gold in 2013 than its consumers bought.
Gold prices settle above 100-day moving average on 11 February.
Yellen\'s testimony to be released at 13:30GMT and hearing to begin at 15:00GMT.
US gold futures gain 1.9% and poised for further rise as safer investment option.
Glencore Xstrata and Australian miner Indophil are partners in Tampakan mining project.
Gold prices set to rise as funds could move from weakening shares to bullion.
MSCI emerging stock index drops 1.6% on the day.
India Finance Minister P Chidambaram says gold import curbs will remain.