Authorities say a shooting at a high school in a small New Mexico town left two students and the suspect dead.
As the noise got louder and closer, school officials warned over the intercom system that it wasn't a drill.
The San Juan County Sheriff's Office posted on their Facebook around 9 AM local time that Aztec High School is locked down and being evacuated. No other injuries were reported, and it was not clear if the shooter died by suicide or was killed by police.
This story will be updated as more information about the shooting becomes available.
Christesen said the shooter also died, but it is unknown whether the suspect was among the three confirmed deaths.
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Aztec High School is a public high school in Aztec, New Mexico.
Bloomfield and Farmington High Schools are also on preventative lockdown.
The sheriff's office urged people to avoid the area and confirmed the school was evacauted.
The shooting took place at Aztec High School in Aztec, about 180 miles northwest of Albuquerque.