UK public finances posted their biggest monthly surplus in four years in January, driven by a drop in local government borrowing and a modest rise in tax receipts, the Office for National Statistics said on Tuesday. The figures will come as a relief for Chancellor George Osborne after ratings agency Moody's warned last week that Britain could lose its prized triple-A credit rating in the next 18 months. The Office for National Statistics said the public sector made a net repayment excluding financial interventions of 7.750 billion pounds last month, up from 5.204 billion pounds a year ago. This was the highest since ... (full story)