British police arrested David Taylor and two other men for allegedly assisting Chinese intelligence services following Prime Minister Keir Starmer's visit to China.These arrests in London, Wales, and Scotland under the National Security Act prompted a formal protest from the Chinese embassy.The developments coincide with the trial of Chi Leung Wai and Chung Biu Yuen for surveilling Nathan Law and Iain Duncan Smith.Chi Leung Wai is accused of using Home Office databases to monitor activists in exchange for monthly payments of £2,000.