Smash-and-grab jewelry theft at King of Prussia Mall | 6abc.com
Upper Merion Police say it happened just before 3:00 p.m. at Tourneau Inc., a fine watch store located in the King of Prussia Plaza.
Police say three men walked into the store and threatened the security guard with a small sledge hammer.
One man then used the hammer to smash the glass display cases. The other two removed numerous watches from the cases. All three then fled.
Police say the robbery lasted less than 20 seconds.
No one was hurt. The amount of merchandise stolen has not yet been determined.