The female student who took her own life after opening fire on a fellow student at a US high school was armed with a semi-automatic weapon and multiple bullets, the town's sheriff has said.
Ronnie Dodson said initial investigations by authorities at Alpine High School suggest that a total of fire shots were fired.
He also told NBC KWES that the girl was found lying next to a semi-automatic pistol and "plenty" of ammunition.
The student reportedly opened fire on another girl, causing non-fatal injuries, before taking her own life.
The school was placed into lockdown for several hours following the incident.
A student who opened fire at a US high school has died after apparently turning the gun on herself.
Sheriff Ronnie Dodson confirmed the death of the female student at Alpine high school to NBC KWES.
The girl had reportedly shot another female student in the school's toilets before taking her own life.
The victim is alive and being treated for her injuries, local media said.
A police officer is also reported to have been injured after he was accidentally shot by "friendly fire" from another officer during the response.
All three schools in the small town were placed on lockdown after the shooting at the high school this morning.
Medical workers said they were caring for "three victims" after a shooting at a high school in the small town of Alpine, Texas.
Elizabeth Carter, a lieutenant with the Texas Department of Public Safety, said someone brought a gun onto the Alpine High School campus Thursday morning.
Ruth Hucke, a spokeswoman for Big Bend Regional Medical Center in Alpine, confirmed the number of patients but declined to give any further details on their condition.
When asked if the victims had been shot, she said she "can't say anything further."
Police are searching for an active gunman at a high school in Texas.
All schools in the district were placed on lockdown as police hunt the shooter who reportedly attacked at Alpine High School.
One person is reported to have been shot, according to CNN, though a police dispatcher was unable to confirm that.
Another local media channel showed students at the high school apparently being evacuated.
There were reports that the local Brewster County police believe there could be two gunman on the run, though this has not been confirmed.
A spokesman for the police force told ITV News that they were hunting a gunman at the high school but declined to give further details.
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The pilot in charge of a hot air balloon that crashed on Saturday, killing all 16 people on board, has been named as Skip Nichols.
It is believed the 16 people were aboard for an hour-long flight arranged by the Heart of Texas Hot Air Balloon Rides company.
Mr Nichols is believed to be the company's chief pilot.
The accident is likely to be one of the deadliest hot air balloon crashes on record.
Officials have confirmed that 16 people were killed when a hot air balloon crashed in Texas.
The Texas Department of Public Safety confirmed that nobody survived the crash, which is believed to have happened after a fire broke out in the balloon's basket.
An eyewitness to a fatal balloon crash in Texas which is believed to have killed 16 people described the scene as a "huge fireball".
Margaret Wylie, who lives near the crash site, said she believed that before it crashed the balloon hit high power lines, which caused popping sounds like a gun going off.
"It went up like a big fireball," she described.
The wreckage of the balloon appears to rest under a number of power lines.
A "number of deaths" have been confirmed in a hot air balloon crash in Texas.
An investigation has now been launched after the balloon, believed to be carrying 16 people, caught on fire before crashing near Lockhart around 8.30am local time, according National Transportation Safety Board official Erik Grosof.