At least 8 killed in Texas school shooting; suspect apprehended

There have been multiple fatalities at the shooting at Santa Fe High School, two law enforcement sources told CNN, citing preliminary information.

Multiple people were also injured in the shooting. According to reports, at least 8 people have been killed. It is possible there is more. The exact number of the dead and injured are still not known. The scene is still being processed and cleared, the sources said.

Harris County Sheriff Ed Gonzalez confirmed on Twitter that the shooter is now in custody. He said it is no longer an active situation, but added there are multiple casualties.

US president Donald Trump took to Twitter to give an update on the shooting.

He wrote: "School shooting in Texas. Early reports not looking good. God bless all!"

A Facebook post by the Santa Fe School District states that "the situation is active, but has been contained." It adds that "there have been confirmed injuries."

The post reads: "This morning an incident occurred at the high school involving an active shooter. The situation is active, but has been contained. There have been confirmed injuries. Details will be released as we receive updated information. Law enforcement will continue to secure the building and initiate all emergency management protocols to release and move students to another location. All other campuses are operating under their regular schedules....The district will continue to keep you updated as information is available. Safety and communication are our top priorities."

Narrating what happened at the school, MaKenna Evans, a 16-year-old sophomore at Santa Fe High School, told CNN she was in geometry class when the shooting started. She said she first heard the fire alarm. Then when the students got outside, her principal told them all to run.

Evans said students hid behind a building across the street from the school. Her aunt called and told her there was a shooting. (Her aunt's husband is a police officer and he'd told her what had happened.) Evans' brother picked her up, and she is now safe at home.