Amazon pulls hoverboards over safety fears

Concerns over exploding batteries leads retailer to remove self-balancing scooters, demanding proof from manufacturers that products meet safety standardsAmazon has begun to pull some hoverboards from sale after fears about fires caused by the self-balancing scooters.A number of hoverboards that had been sold on Amazon have now disappeared, including all five models once reviewed by consumer affairs site BestReviews. That site now warns would-be buyers that “for the time being, we are not