The pro-Beijing camp formed a united front in the 2018 Legislative Council by-election. It took two of the four vacancies left by the 2016 Legislative Council oath-taking controversy, by taking the Kowloon West geographical constituency and Architectural, Surveying, Planning and Landscape functional constituency from the pro-democrats and localists. Vincent Cheng of the DAB narrowly defeated Yiu Chung-yim who was disqualified from the Legislative Council in the oath-taking controversy, becoming the first pro-Beijing candidate to win in a single-member district election since the handover.