Ahmed Mohamed, 14, an Irving MacArthur High student who invents as a hobby, talks about being detained and interrogated after bringing a homemade clock to school Monday that was mistaken for a hoax bomb. More on this story: http://d-news.co/Sgwb5

The 14-year-old student was a member of the robotics club in middle school and regularly enjoyed building electronics for fun, the Dallas Morning News reported.

When he brought the clock to school to show his teachers, they told him it looked like a bomb and called the authorities, despite Mohamed's repeated insistence that it was just a clock