Live: Apple unveils the iPhone 5

Apple has unveiled the next generation of its trendsetting smartphone at an event at San Francisco's Yerba Buena Centre for the Arts. The Apple iPhone 5 is widely expected to offer 4G wireless technology for the first time, and a 4-inch display, up from the current 3.5 inches. But it remains to be seen if Chief Executive Tim Cook has any surprises up his sleeve, and if he will show off any technological breakthroughs that can put the iPhone 5 head and shoulders above the competition. Follow the event live.

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