A robot collision sparked a fire at the UK's top online grocer

Robots are credited with boosting efficiency in some industrial use cases. But, as a major UK grocery service just found out, that doesn't mean they're notaccident-prone like humans. Ocado -- which competes with Amazon Fresh -- has been forced to cancel orders for some customers after a robot collision sparked a fire at its warehouse in south-east London. The incident appeared to involve three bots on the grid and led to the evacuation of its Erith customer fulfilment center, the company said. O...