Task: Translation
Input (Japanese): ヘンリーでの補欠選挙は、トーリー党ジョン・ハウエルが10,000票を超す過半数を獲得して勝利し、保守党と労働党を共に僅差で倒すと予想されていた自由民主党候補者を大差で破った。
Output (English): The by-elections in Henley were won by Tory John Howell with a majority of over 10,000 votes, defeating by a large margin the Liberal Democrats who were presumed to have a close edge of beating both Conservatives and Labour.