Two children killed in UK knife attack

An attacker with a knife killed two children and wounded 11 other people, including six youths in critical condition, at a dance class in England on Monday.

A 17-year-old male has been arrested on suspicion of murder and attempted murder in Southport, near Liverpool in England, in an attack that also left two adults with critical injuries, Merseyside Police said. Police chief said that the attack was not being treated as terror-related, and that the attacker's motivation was unclear.