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 callinag下载官方网站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 ratings have recoveredag下载官方网站 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