TOKYO: Toyota Motor Corp suspended operations at a dozen vehicle assembly plants in Japan from Tuesday morning due to system failure, a company spokesperson said. The world's largest automaker by sales has not been able to order components due to production system malfunction, which was "likely not due to a cyberattack", the spokesperson said, adding the company is looking into the cause. It is not yet known how much output is affected, the spokesperson said. All domestic assembly plants except for the Miyata plant in the southern prefecture...