AP Photo/The Houston Chronicle, Mayra Beltran
Parents wait outside Spring High School after a stabbing on Wednesday morning in Spring, Texas.
One student was killed and three were injured in a stabbing at a suburban Houston high school Wednesday morning, officials said.
Harris County Sheriff Adrian Garcia said a 17-year-old student was killed in an altercation at the school that began at about 7:10 a.m. local time at Spring High School in Spring, Texas.
Memorial Hermann Hospital in Houston said it received one patient in critical condition in its trauma unit following the stabbing who was later upgraded to good condition. The two other victims had minor injuries, the sheriff said.
Officials said three persons of interest were in custody, and said that the scene had been secured. Everyone involved in the stabbing, including the persons of interest, is a student at Spring High School, according to Garcia.
Police have not yet said what may have led to the violence. According to NBC DFW, authorities are still searching for the weapon(s) used in the attack as well as interviewing witnesses who saw the stabbings take place.
Authorities said the school nurse called police saying multiple people had been stabbed, according to NBC affiliate station KPRC. An email sent to parents said a fight had broken out in the cafeteria.
Spring is about 25 miles north of Houston.