Brent crude prices held near a 4-1/2 month high above $65 a barrel on Monday, supported by concerns over fighting in Yemen disrupting Middle East supplies and signs that U.S. shale output may have started to decline. The number of active U.S. rigs drilling for oil has fallen for a record 20 weeks in a row to the lowest since 2010, according to Baker Hughes data, fuelling expectations of a drop in U.S. production. Brent had edged down 5 cents to $65.23 a barrel by 0623 GMT, after posting its third weekly gain last week and touching a Dec. 10 high of $65.80. U.S. crude fell 14 cents to $57.01 a barrel, after rising for the sixth consecutive week in its longest stretch of gains since the first quarter of 2014. “Sustaining the recent oil price rally requires firmer demand and a tangible supply response,” Barclays […]