Kahuku Elementary and Kahuku High School were under lockdown Thursday morning after a suspicious item was found at a park next to the schools, according to the Department of Education.
Police say a caller reported a suspicious object at Kahuku District Park at around 6:40 a.m.
The park was evacuated and Pualalea Street was closed between Leleuli and Kekauoha Streets.
Officers with the Specialized Services Division rendered the incendiary device safe at 10:45 p.m.
No arrest was made.
The schools were given the all clear just before 11 a.m.
Anyone with information on this case is asked to call police.