NEW YORK, April 8 (Xinhua) -- Oil prices fell on Monday.

       The West Texas Intermediate for May delivery decreased by 48 cents, or 0.55 percent, to settle at 86.43 U.S. dollars a barrel on the New York Mercantile Exchange. Brent crude for June delivery dropped 79 cents, or 0.87 percent, to settle at 90.38 dollars a barrel on the London ICE Futures Exchange.