Gabrielino High School in San Gabriel was declared safe after a bomb threat put the school on lockdown, disrupting classes and forcing hordes of students to convene in a parking lot as their worried parents tried to figure out what was going on Tuesday.
Officials warned everyone to stay away from the area early Tuesday afternoon when the threat was first reported.
The San Gabriel Police Department also advised passersby to avoid San Gabriel Boulevard and Wells Street.
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Throngs of students were gathered in a parking lot, and parents were in a line wrapped around the block as they waited for directions from authorities.
Police were on site to assist parents at 1201 S San Gabriel Blvd., the San Gabriel Police Department said.
City officials said the threat came in the form of a phone call at 10:45 a.m., which is when the school initiated lockdown.
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By 2 p.m., all students were safely evacuated, and being released to their parents.
Police were searching campus with the aid of K-9s at 2 p.m.
By 2:45 p.m., the school was still in lockdown, and police were set to wrap up the investigation.
By 6 p.m., police said that it was determined that there was no threat and all student were safe and accounted for.
The streets nearby were also back open to traffic.
No other details were released.
The high school is located 10 miles east of downtown Los Angeles, and serves 9-12th graders.
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