Oil prices eased in Asia today as traders cashed in on recent gains following signs of strengthening US energy demand and concerns over tensions in Syria, analysts said.New York's main contract, light sweet crude for delivery in June dropped 21 cents to 93.43 U S Dollars a barrel and Brent North Sea crude for June delivery shed 38 cents to 103.03 U S Dollars in morning trade.Oil prices jumped yesterday after the United States said Syrian government forces had likely used chemical weapons, raising worries that Washington would punish Damascus militarily.Earlier in the week, crude markets had also been supported by lower-than- expected gain in US crude stockpiles, suggesting oil demand in the world's top crude consumer was on the path to recovery.