The Latest: Sheriff: Up To 10 Fatalities In School Shooting

SANTA FE, Texas (AP) — The Latest on a shooting at a high school in Santa Fe, Texas (all times local):

12:30 p.m.

The police chief at a Houston-area school district says a police officer was shot and wounded during a shooting that killed multiple people at a local high school.

Walter Braun is the police chief of Santa Fe Independent School District. He says the fatal shooting Friday morning at Santa Fe High School also left at least six people wounded, including a police officer.

Dr. David Marshall is the chief nursing officer at the University of Texas Medical Branch in nearby Galveston. He says one man is in critical condition and undergoing surgery at the hospital after suffering a gunshot wound to the upper arm. It wasn't immediately clear if the man is the wounded officer.

Two other victims are being treated for gunshot wounds to their legs. Hospital spokesman Raul Reyes says one of those is believed to be a student. The other is a middle-aged woman.

Harris County Sheriff Ed Gonzalez says eight to 10 people were killed after a gunman opened fire inside the school. Two people are in custody.

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12 p.m.

Survivors of the school shooting in Parkland, Florida, took to social media to express outrage and heartbreak after the latest school shooting in Texas where authorities say a gunman opened fire killing eight to 10 people.

Marjory Stoneman Douglas students Jaclyn Corin said in a tweet Friday that her "heart is so heavy" for the students at Santa Fe High School, telling them Parkland will stand with them.

She also directed her frustration at President Donald Trump, urging him to "DO SOMETHING" because children are being killed.

Classmate David Hogg warned the city that politicians would soon descend on the school acting like they care but are only looking to boost approval ratings.

Corin and Hogg were part of a grassroots movement that rallied hundreds of thousands for gun reform.

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11:50 a.m.

Texas Gov. Greg Abbott is headed to the scene of a school shooting outside Houston where officials say as many as 10 people were killed.

Abbott tweeted Friday that he was on his way to Santa Fe High School, about 30 miles (48 kilometers) southeast of Houston. The Republican said an afternoon press conference was planned.

Harris County Sheriff Ed Gonzalez says most of the victims were students. He says authorities have also detained two people believed to be students.

Gonzalez says authorities didn't yet have information on the weapon or weapons used.

The White House says President Donald Trump spoke with Abbott to offer his condolences and pledged to work with the governor to provide all appropriate federal assistance

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11:35 a.m.

Authorities say possible explosive devices have been found at and adjacent to the Texas high school where a shooting left as many as 10 people dead.

The Santa Fe Independent School District said in a statement Friday that authorities are in the process of rendering the devices safe.

There's no indication how many devices have been found. Police asked the public to "remain vigilant" and to call 911 if they see any suspicious items in the area.

The school outside Houston went on lockdown around 8 a.m. after an active shooting was reported.

Harris County Sheriff Ed Gonzalez says there "could be 8 to 10 fatalities" from the shooting. Gonzalez says the majority of the dead are students.

The sheriff says one person is in custody and a second person has been detained.

Santa Fe is about 30 miles (48 kilometers) southeast of Houston.

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11:15 a.m.

President Donald Trump is sending condolences for the "absolutely horrific attack" at a Texas high school.

Trump is telling those affected that "we're with you in this tragic hour and we will be with you forever."

He says his administration is working to protect students, secure schools and keep weapons out of the hands of those who want to do harm.

He called this a "very very sad day." Trump says "everyone must work together" to keep children safe.

The local sheriff says the shooting Friday morning at Santa Fe High school left as many as 10 people dead, most of them students. The school is about 30 miles (48 kilometers) southeast of Houston.

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10:50 a.m.

The local sheriff says as many as 10 people may have been killed during a shooting at a high school near Houston, most of them students.

Harris County Sherriff Ed Gonzalez Harris County said there "could be 8 to 10 fatalities" from the shooting Friday morning at Santa Fe High School, about 30 miles (48 kilometers) southeast of Houston.

Gonzalez says the majority of the dead are students.

The sheriff says one person is in custody and a second person has been detained.

Gonzalez says a police officer is among the injured but the extent of the officer's injuries is unknown.

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10:45 a.m.

Vice President Mike Pence says he and President Donald Trump have been briefed on the school shooting at Santa Fe High School near Houston.

Pence said the students, families, teachers and all those affected should know: "'We're with you. You're in our prayers and I know you are in the prayers of the American people."

Trump adds in a tweet that, "Early reports not looking good. God bless all!"

First lady Melania Trump is also weighing on Twitter. She says, "My heart goes out to Santa Fe and all of Texas today."

Houston-area media citing unnamed law enforcement officials are reporting that there are fatalities following the Friday morning shooting. The Associated Press has not been able to confirm the reports.

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10:30 a.m.

Officials say at least three people are being treated for gunshot wounds and two people have been detained following a shooting at a high school near Houston.

Harris County Sheriff Ed Gonzalez tweeted Friday that one person is in custody and a second person has been detained following the Friday morning shooting at Santa Fe High School.

Gonzalez says a police officer was injured but the extent of the officer's injuries is unknown.

Gonzalez says there are "multiple casualties" but didn't elaborate. Houston-area media have cited unnamed law enforcement officials saying there were fatalities. The Associated Press has not been able to confirm the reports.

Dr. David Marshall is chief nursing officer at the University of Texas Medical Branch in Galveston. He says one man was undergoing surgery at the hospital Friday morning following the shooting. He says a juvenile has been admitted and a second adult is being treated in the emergency room.

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9:45 a.m.

Houston-area media citing unnamed law enforcement officials are reporting that there are fatalities following a shooting at a high school.

Television station KHOU and the Houston Chronicle are citing unnamed federal, county and police officials following the shooting early Friday at Santa Fe High School, about 30 miles (48 kilometers) southeast of Houston.

The Associated Press has not been able to confirm the reports.

The school district has confirmed an unspecified number of injuries but is not immediately releasing further details. Assistant Principal Cris Richardson says a suspect "has been arrested and secured."

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9:30 a.m.

School officials say people have been injured in a shooting at a Houston-area high school and the suspected shooter is in custody.

Assistant Principal Cris Richardson says the suspect in the shooting Friday at Santa Fe High School "has been arrested and secured."

The school district also confirmed an unspecified number of people are injured but provided no other details.

School officials say law enforcement officers are working to secure the building "and initiate all emergency management protocols to release and move students to another location."

Students are being transported to another location to reunite with their parents.

One student told Houston television station KTRK that a gunman came into her first-period class and started shooting. The student says she saw one girl with a bloody leg as the class evacuated.

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8:37 a.m.

Law enforcement officers are responding to a high school near Houston after an active shooter was reported on campus.

The Santa Fe school district issued an alert Friday morning saying Santa Fe High School has been placed on lockdown.

Galveston County sheriff's Maj. Douglas Hudson says units are responding to reports of shots fired. He had no immediate details on whether anyone has been hurt.

Santa Fe is a city of about 13,000 residents, located 30 miles (48 kilometers) southeast of Houston.

One student told Houston television station KTRK in a telephone interview that a gunman came into her first-period art class and started shooting. The student says she saw one girl with blood on her leg as the class evacuated the room.

Authorities have not yet confirmed that report.