Tesco’s plan to roll out robotic warehouses has been thrown into chaos after its main supplier developing the technology went bust. The supermarket struck a deal with Canadian tech group Attabotics earlier this year to create new robotic warehouse systems as part of a broader push by the UK chain to become a powerhouse in autonomous technology. However, Attabotics has been forced to file for bankruptcy protection and is now in the midst of a complex court process to be sold to a US buyer, leaving Tesco’s ...