However, a new update means the app generates a QR code which only deducts the money if the code is scanned as they enter Aldi's only Shop & Go store in Greenwich, southeast London.

Octopus Energy was only set up in 2015 but has shaken up the energy market. Its website boasts of being the UK's "most awarded energy supplier" and promises cheap, renewable energy for households.

A spokesman says the government is giving councils "stronger powers" to block new fast-food outlets near schools and is cracking down on junk food adverts, with restrictions before the 9pm ...