Eight to ten people have been killed in a Texas high school shooting Friday, authorities have confirmed.

Police officers responded to Santa Fe High School in the southeastern Texas city of Santa Fe around 8 a.m. CDT after reports of shots fired inside the school.

Witnesses said the gunman, believed to be a student, opened fire inside an art class during first period.

Authorities said a male suspect and another person of interest were taken into custody, and the active shooter situation was said to be over.

"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," the school district said in a statement.

The school district later tweeted that possible explosive devices have been located at the school and off campus.

Santa Fe is a city of approximately 13,000 residents, located 30 miles southeast of Houston.

Stay with Fox News Channel for more on this developing story.