A police officer in Texas opened fire at a vehicle driving "recklessly" on school grounds Tuesday during the Brownsville Independent School District’s first day of classes. 

The incident happened around 9 a.m. outside of Porter Early College High School. 

Officers from the Brownsville ISD Police and Security Services were called to the scene to investigate "suspicious activity," the district said in a press release. 

MAN SHOT BY TEXAS POLICE WAS ARRESTED 2 DAYS PRIOR ON ASSAULT, WEAPONS CHARGES 

Texas high school Brownsville

Police in Brownsville, Texas, responded to Porter Early College High School on Tuesday, Aug. 13, following a report of "suspicious activity," the Brownsville Independent School District says. (Google Maps)

They discovered a driver, who, the officials say, "attempted to flee recklessly while students and staff were present." 

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"The officer in fear for the safety of the staff and students, discharged his weapon at the vehicle, while it approached him," the statement said. "The vehicle fled the scene." 

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Police later reported making arrests, although it is not clear who has been taken into custody. 

All students and staff at the school are "safe and secure," Brownsville ISD said.