NOIDA:  One student was killed and 23 others injured when a mud wall adjacent to a school collapsed in Noida in Uttar Pradesh on Thursday.

The mud wall, adjacent to the RCV Junior High School in Barola locality in Noida's Sector 49, is owned by a man called Praveen, the police said.

Sandeep, a nine-year-old boy, died of his injuries in a hospital. The 23 others, including a teacher, were admitted to Prayag Hospital and a district hospital.

One person has been arrested for alleged negligence.