A police SWAT team responded to the Children's House preschool in Pearl City Monday after a worker found a suspicious device resembling a Molotov cocktail.
Sources say a worker found the bottle filled with liquid at a pavilion at the campus, located at 1840 Komo Mai Dr.
No one has been arrested.
Honolulu police are investigating the incident as a terroristic threatening case.
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Life-threatening surf is again headed for north- and west-facing shores.
The Honolulu Fire Department has released more than 40 video clips that show the inside of the Marco Polo condominium in the aftermath of last year's seven-alarm fire.
High surf and rising tides have created dangerous conditions for many coastal areas in Hawaii, where erosion has become a major issue.