"Police Investigate Terrifying Croydon Stabbing Incident"

A 15-year-old girl was stabbed to death in Croydon, south London, while walking to school. Police have arrested a 17-year-old boy, who is known to the victim, and have launched a murder inquiry. The incident has been described as "every parent's worst nightmare." The local community and the girl's school are deeply shocked by the tragedy. The police are urging potential witnesses or anyone with information to come forward.