“Green Haribo gummy bear is strawberry,” tweeted one person, adding a strawberry and flushed, cannot-believe-it face emoji to accompany a photo of the back of a bag of Haribo gummy bears.

The student's sibling also brought a bag of gummy bears from home to the school, which did not test positive for fentanyl, he said. Wells said the fentanyl was contained to the bag and there was ...