Earlier in the week O2 and Carphone Warehouse ran out of Apple's iPhone in both the 8GB and 16GB models.

It seems now Apple has run out online around the world with both the UK and the US store stating the mobile phone is "Currently Unavailable".

The news has sparked commentators to believe that the company is now more than ever going to be launching a new handset in the next 30 days.

Speculation has been rampant on the Internet that a 3G version of the iPhone would be launched at the company's Worldwide Developers Conference (WWDC) in June.

However some commentators are citing that the global stock shortage could prompt Apple to bring forward a possible launch.

We will keep you posted.