The feature is turned on by default on iOS 8 devices – including the iPhone 6 and iPhone 6 Plus.

The latest models of Apple's iPhone are the mobile phones most likely to be targeted by thieves in England and Wales.

California Governor Jerry Brown has signed the "kill switch" bill.

California's smartphone "kill-switch" bill could soon be made law in the U.S. state.

Apple's "kill switch" feature may have resulted in a reduction in smartphone thefts in some cities.

From July 2015, all smartphones in California will need to offer customers access to "kill-switch" options.

Californian legislators recently ruled against a mandatory kill-switch for smartphones.

From July 2015, the most popular smartphones on the market will feature a global "kill-switch."

Four senators are calling for "kill switches" to be built into all future smartphones.