One option is to hold a snap election on Oct 22, when three by-elections are scheduled, the sources saidTOKYO - Japanese Prime Minister Shinzo Abe is considering callin太阳城网址网g a snap election for as early as next month to take advantage of his improved approval ratings and disarray in the main opposition party, government and ruling party sources said on SundayOther possibilities are later in October or after an expected visit by US President Donald Trump in early November"Until now, it appeared the election would be next autumn, butAbe's rating太阳城网址网s have recovered to 50 percent in some pollswe must always be ready for battle," domestic media quoted Komeito party chief Natsuo Yamaguchi as telling reporters on Saturday during a visit to Russia