European Central Bank policymakers expect to raise interest rates in December to tackle high inflation - fueled by energy prices - and then stop, according to Reuters. Rising bond yields are expected to put pressure on economic growth and inflation rates, three sources told the agency. These expectations come after the European Central Bank kept interest rates unchanged on Thursday, in a move that was expected. The president of the bank, Christine Lagarde, indicates the possibility of an interest rate increase in December, and warns that the increase in energy costs fuels inflation risks. Three policymakers, who spoke to Reuters after the meeting, say a December 17 rate hike is "almost certain" unless energy prices suddenly collapse. But those officials expect to stop raising interest after that.