KEY POINTS
  • Ten people have died after a shooting at a Houston-area high school, Texas Gov. Greg Abbott told reporters Friday.
  • Local authorities have one suspect in custody and have detained another individual deemed a person of interest.
  • While police said the situation is no longer active, officers are dealing with possible explosive devices at the school and nearby.

Texas Gov. Greg Abbott says 10 people are dead and 10 more wounded after a shooting at a high school in the town of Santa Fe, the nation's deadliest such attack since the massacre in Florida that gave rise to a campaign by teens for gun control.

Several law enforcement officials told NBC News that nine students and one teacher died in the shooting.