Sterling stays rangebound on election uncertainty; BoE eyed

LONDON (Reuters) - The British pound drifted higher against the euro on Tuesday but stayed within recent trading ranges after survey data showed Britain's services sector stagnated last month due to concerns about Brexit.Against the dollar, though, the British currency fell slightly as the greenback strengthened on a better-than-expected ISM non-manufacturing PMI. The dollar also rose versus safe-haven currencies on growing signs that the United States and China are inching closer to a trade..