Polls are beginning to close and votes are being counted in the midterm elections for the US Congress. The first polling stations in parts of the states of Indiana and Kentucky will close at 23:00 GMT, with preliminary results expected to be released in a row. Voting continues in other areas of both states and in most parts of the country, while some states have begun counting early and mail-in ballots. Additional polling centers close at 00:00 GMT in states including Georgia, Virginia and South Carolina. The election determines which party controls both houses of Congress over the next two years.