TOKYO: Amazon Japan said on Thursday it had been raided by the country’s fair trade regulator on suspicion of a possible anti-trust violation. An Amazon Japan spokesperson told Reuters it was fully cooperating with the Fair Trade Commission but declined to elaborate or comment on details about the suspected violations outlined in earlier local media reports. Citing sources related to the matter, Kyodo news agency said on Thursday the online retailer is suspected of possibly asking suppliers to shoulder part of the cost incurred from selling their products at a discount on Amazon Japan.