Apple has confirmed that older versions of its iPod Nano could overheat because of battery problemsJonathan Richards
Consumers were warned about the possibility of their iPods overheating yesterday after Japanese authorities reported three incidents of the devices catching fire.

Apple, which makes the iPod, confirmed yesterday that older versions of the iPod Nano could overheat, but stressed that such incidents were extremely rare and occurred in "less than 0.001 per cent" of devices.

In the reported incidents, the devices sent out sparks which scorched nearby paper and in one case set fire to a woven straw mat.

Apple said in a statement that "in very rare cases", batteries in 'first generation iPod nanos' which were sold between September 2005 and December 2006 had been known to overheat, and that it would replace any faulty devices.

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