The inclusion of a fingerprint reader in Apple's new iPhone 5S could encourage thieves to mutilate owners in order to gain access to their phones, a security expert has warned.
Marc Rogers of mobile security firm Lookout said thieves "have worked out that you can force a victim to unlock a secured device" and have even been known to cut people's fingers off.
They have also succeeding in lifting and duplicating prints with technology that "is only going to improve with time", he added.
More top news
A teenage boy has been stabbed to death in London, the second fatal attack within two days.
A British amateur sailor died this morning after being hit by a sail while taking part in the Clipper Round The World Yacht Race.
Plans for seven-day GP services are "unrealistic" because of a shortage of doctors, the Government has been warned.