A British parliamentary researcher with alleged ties to the Chinese Communist Party has been arrested on suspicion of espionage. The arrest has caused anger and distrust among parliamentary aides and individuals involved in Westminster's China policy circle. Concerns have been raised about the vetting process for individuals working in the UK parliament. The scandal is the latest in a series of Chinese spy scandals affecting national parliaments globally. A recent UK parliamentary report has criticized the inadequate resources dedicated to tackling security threats from China.