Concern for public safety and raw emotion are running high after a mass stabbing of young children in the United Kingdom, with the Prime Minister being heckled by the public over knife crime as he laid a wreath for the dead. Three children were killed and a dozen other children and adults were seriously injured in a mass stabbing attack at a youngster’s summer holiday dance party in Southport, Merseyside, England, on Monday. The Home Secretary visited Southport on Tuesday morning, and hours later she was followed by Britain’s new Prime Minister, Sir Keir Starmer, who met first responders and...