A 12-year-old girl in Mililani, Hawaii, was arrested for allegedly threatening to shoot up her school in an online post, following a report from a 41-year-old woman. The girl's arrest occurred on Thursday morning, and she faces a charge of first-degree terroristic threatening but has been released pending investigation. In a related incident, a 15-year-old boy was arrested on Hawaii Island for making threats regarding a gang entering schools. Separately, in Sioux Falls, South Dakota, a 15-year-old boy named Davion Bridges was arrested for making terroristic threats and was later recaptured after escaping from a juvenile facility. Additionally, a 15-year-old in Sanford was arrested for sending messages on social media threatening to become a school shooter. These incidents underscore ongoing concerns about school safety and online threats.