Voters in Japan are casting ballots in upper house elections expected to deliver a win for PM Shinzo Abe. Half of the 242 seats in the chamber are being contested. Polls show Mr Abe's Liberal Democratic Party (LDP) and its allies could secure a majority, meaning a ruling party would control both houses of parliament for the first time in six years. The deadlock in parliament has been seen as a key factor in Japan's recent "revolving door" of prime ministers. Polling stations opened at 07:00 (22:00 GMT Saturday) and will close at 20:00 (11:00 GMT). Despite the importance of the election, early turnout was a little ... (full story)