The Irving police are investigating reports of a robbery at Irving Mall Tuesday afternoon.
The robbery happened at Berdalli Jewelers near Burlington Coat Factory at around 1:30 p.m. Tuesday.
Watch NBC 5 free wherever you are
WATCH HEREAccording to police, officers responded within three minutes because they were nearby when the call came in.
The robbery is being described as a "smash and grab," according to a police official.
Get top local stories in DFW delivered to you every morning with NBC DFW's News Headlines newsletter.
SIGN UP 
Robbers used a hammer to break into jewelry cases. The sound reportedly caused a panic that sent shoppers running concerned there was an active shooter situation.
"Four men came to me with masks and hoodies, one was of higher stature, at six foot, heavier set a little bit bigger, came with a neon blue glove and a hammer in their hand and two guns pointed at me," an employee of the store told Telemundo 39.
NBC 5 saw an officer on the scene with a hammer.
No one was hurt and the employee was able to run the thieves out of the store before they could take any jewelry.
Local
The latest news from around North Texas.
"You kind of freeze up and I think I'm still in a state of shock up until now. I'm not really undertaking the gravity, of it" the employee said. "I surely hope that the response to this is quick and we're able to identify these individuals because this was not, for me, an act of spontaneity. This was someone who's been looking at the store."
The suspects fled the location though a description of the vehicle was unknown.
The investigation is ongoing, police said.
Check back and refresh this page as this is a developing story.
