[caption id="attachment_20904" align="alignleft" width="300" caption="A member of the L.A. County Bomb Squad prepares to detonate a live grenade that was found by construction workers at the Glendale Community College Garfield Campus construction site. (Raul Roa/News-Press)"]

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[Updated 2:54 p.m. Bomb squad officers have detonated the grenade device in a pit covered with sandbags. No injuries were reported. Officials evacuated the surrounding area hours ago.
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[Updated 2:27 p.m. Authorities have evacuated the Glendale Community College satellite campus on Garfield Avenue as they prepare to detonate a grenade-type device that was excavated by construction crews earlier today.
Los Angeles County Sheriff's bomb squad officials will bury the device in a hole and cover it with sandbags before setting it off, probably within the next hour.
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Authorities have evacuated the Glendale Community College satellite campus on Garfield Avenue to investigate what appears to be a grenade that was unearthed by construction crews.
Glendale Police Sgt. Tom Lorenz said it was unclear if the device was a replica or real.
Meanwhile, about 450 students and 50 college instructors and staff have been evacuated from the campus, as well as a daycare center and nearby residential buildings.
A Los Angeles County Sheriff's bomb squad is investigating the scene.