OPEC officials yet to agree on how to implement supply cut

By Alex Lawler and Rania El Gamal VIENNA/DUBAI (Reuters) - OPEC officials meeting in Vienna on Friday to work out the details of their plan to reduce oil production had yet to reach agreement after hours of talks, amid objections by Iran which has been reluctant to even freeze its output, OPEC sources said. The meeting of the High Level Committee is comprised mainly of OPEC governors and national representatives - officials who report to their respective ministers. Talks were continuing 11 hours