NEW YORK, June 21 (Xinhua) -- Oil prices fell on Friday.
The West Texas Intermediate for August delivery decreased by 56 cents, or 0.69 percent, to settle at 80.73 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for August delivery lost 47 cents, or 0.55 percent, to settle at 85.24 dollars a barrel on the London ICE Futures Exchange.
