In Japan at least 13 people have been killed when a powerful typhoon Roke slammed into the country on Wednesday. In Tokyo, many rush hour commuter trains were suspended, thousands of commuters trying to rush home were stuck at stations across the sprawling city.However officials at the Fukushima Dai-ichi plant, where engineers are still struggling with small radiation leaks due to tsunami damage, expressed relief that Typhoon Roke's driving winds and rains caused no immediate problems there.