THIS terrifying iPhone-styled hand gun could be about to infiltrate the streets, police have warned.

Officials have been told to hunt for the 9mm double-barrelled “iPhone Gun” that will soon go on sale in the US, The Sun reports.

It’s feared the .380-caliber handgun, currently available for pre-order, will be imported to European criminals, as officials struggle to control the borders amid terror fears.

The pistol folds up to look exactly like a smartphone with a bulky cover, but at $US395 ($525), it’s cheaper than an actual iPhone.

Makers IDEAL Conceal have already received 12,000 pre-orders.

“The idea for IDEAL Conceal follows the present-day demand for handguns that people can carry on a day-to-day basis, in a manner that makes carrying a gun easy to do,” the company says on its website. “From soccer mums to professionals of every type, this gun allows you the option of not being a victim.”

The gun reportedly fires high-velocity ammunition, meaning it can be discharged with speed. It also does not have to be cocked before being fired.

A warning sent around Belgian police networks noted that no guns had been spotted yet, according to the Dernière Heure newspaper. But that could be about to change.

It read: “To the eye, nothing can distinguish it from a mobile telephone. Most people possess a smartphone, meaning that it can pass completely overlooked.”

The Minnesota company boasted on its Facebook page: “Smartphones are everywhere, so your new pistol will easily blend in with today’s environment. In its locked position it will be virtually undetectable because it hides in plain sight.”

This story originally appeared in The Sun and has been republished here with permission.