The teacher's own rule about cell phones comes back to bite him!
Guess he didn't know about the silent setting.
Don't try this at home, kids.
Monkey Using a Smartphone
Gotta put the devil on hold while I answer this call. Seems legit huh?
That was a shocking experience!
Diffused Cell Phone Detonator Showing The Bomb Call
Cheerleader Stores Her iPhone In a Safe Place