Crude futures settle lower

NEW YORK, June 10 (Xinhua) -- Oil prices inched down on Tuesday.

The West Texas Intermediate for July delivery dropped 31 cents, or 0.47 percent, to settle at 64.98 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for August delivery decreased 17 cents, or 0.25 percent, to settle at 66.87 dollars a barrel on the London ICE Futures Exchange.