At least eight persons were killed on Friday in a shooting at a high school in Santa Fe, Texas, a local sheriff said, with one person in custody and a second detained.
The incident was the latest in a long series of deadly shootings at U.S. schools in recent years.
President Donald Trump in a tweet said the situation was not looking good.
Seventeen teens and educators were shot dead at a Parkland, Florida, high school in February, a massacre that stirred the nation’s long-running debate over gun ownership.
Harris County Sheriff Ed Gonzalez said that eight to 10 people, both students and adults, died in the incident at the school about 30 miles (48 km) southeast of Houston.
“There is one person, a suspect, in custody and a second possible person of interest that was detained and being questioned,” Gonzalez said at a news conference.
At least nine people were taken to area hospitals for treatment, hospital officials said.
The conditions of those people were not immediately clear.
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Gonzalez said a police officer was also being treated for injuries.
Live television images showed lines of students and buses gathered in fields surrounding the school.
“This is no longer an active shooting situation and the injured are being treated,” the sheriff’s department said on Twitter.
Sophomore Leila Butler told the local ABC affiliate that fire alarms went off at about 7:45 a.m. local time (1245 GMT) and students left their classrooms.
She said some students believed they heard shots fired, and that she was sheltering with other students and teachers near campus.
Another sophomore, Dakota Shrader, told Fox 26 TV her 17-year-old girlfriend told her by phone that she was wounded but was recovering in a hospital.
“My friend got injured,” said an emotional Shrader.
“Her leg, she got shot in the leg.”
Dr. David Marshall, chief nursing officer at the University of Texas Medical Branch, said that the hospital was treating at least three patients – two adults and one person under 18.
He said it was not immediately clear if that child was a student.
“I know that they have gunshot wounds but that’s the extent of the knowledge I have at this point,” Marshall told reporters at a news conference.
“One adult is in our operating room.”
“We’re ready for more patients,” he said. “We have not heard of any enroute at this point.”
