Ken McCallum

The provided news articles do not mention Ken McCallum. The articles primarily focus on two separate events: the arrest of four men in London suspected of spying for Iran on the Jewish community, and Keir Starmer's visit to China. The four men, one Iranian and three British-Iranian nationals, were arrested under the National Security Act and are being questioned by counter-terrorism detectives. They are suspected of assisting a foreign intelligence service. Separately, Keir Starmer's trip to China, the first by a British Prime Minister in eight years, is also highlighted. The trip includes a delegation of British business and cultural representatives and aims to build bridges with China. One article mentions criticism of Starmer's actions before the trip.