11/12/2015 (Agence Europe) - IMF warns against UK leaving EU. In a report published on Friday 11 December, the IMF says that uncertainty surrounding the outcome of the referendum planned before the end of 2017 on whether the United Kingdom will remain in the European Union could weigh on the country's economic prospects. IMF director general Christine Lagarde said it was premature to give an assessment of the impact of a potential Brexit since negotiations are in process (see EUROPE 11447)....