Chris Grayling appointed British transport minister

LONDON (Reuters) - Brexit-supporting Conservative lawmaker Chris Grayling has been appointed Transport Secretary by new British Prime Minister Theresa May, her office said in a statement on Thursday. A long-awaited decision on airport expansion will be among the thorniest issues in the transport brief for Grayling, who was formally leader of parliament's lower house. (Reporting by Kylie MacLellan, Editing by William James)