(Reuters) Key sterling interbank ratesslipped for the first time in three weeks on Friday after the Bank of England left interest rates unchanged but bets of a hike by mid-year capped the rally in short-term UK money markets. The BoE left main borrowing costs unchanged at a record low 0.5 percent on Thursday, easing the pressure on short-term moneymarket rates which had risen as some investors positioned for an outside risk of an increase. Read full story>>>