President Obama has invited a 14 year old boy to the White House after he was detained by police for taking a homemade clock to school that teachers mistook for a bomb.
Ahmed Mohamed was led away in handcuffs from his high school in north Texas.
Mr Obama's tweeted
Cool clock, Ahmed. Want to bring it to the White House? We should inspire more kids like you to like science. It's what makes America great.
— President Obama (@POTUS) September 16, 2015
Ahmed couldn't believe what happened: