An 18-year-old man and 16-year-old girl students of Bountiful High School arrested for detonating four chemical bombs, exploding one of them inside the school and second exploded in a nearby church parking.
According to KSL no one was injured and no property was damaged. The explosions from chemical bomb was minor, the hydrochloric acid can cause burns.
Police closed the school for two hours while searching for other bombs. No other devices were found.
The explosions in the school were described as "minor" with no immediate word of damage. The school lockdown was lifted about 10:15 a.m.