2 Children Dead, 11 People Injured in Stabbing Rampage at Dance Class in England: Police

LONDON—A stabbing Monday at a children’s dance class in northwest England killed two children and wounded 11 other people, police said, and officers arrested a 17-year-old boy and seized a knife after the bloody rampage. The teen was arrested on suspicion of murder and attempted murder in the stabbing in Southport, a seaside town near Liverpool, Merseyside Police said. The motive was not clear, but police said detectives were not treating the attack as terror-related. Nine children were wounded, six of them in critical condition. Two wounded adults who tried to shield the pupils were in critical condition, police said....