LONDON (Reuters) – Sterling fell against the dollar on Monday after data showed Britain’s economy unexpectedly shrank in April, fuelling uncertainty over how fast the Bank of England can hike interest rates to tame inflation without further hurting growth. The pound was down 0.58% to $1.2247, its lowest level since May 16, after having already suffered two straight weeks of losses as strong U.S. inflation data boosted the greenback and expectations of monetary tightening by the U.S. Federal Reserve. Adding to the pressure on the pound, the British government is due to present legislation to un…