A unit at a thermal power plant in northeastern Japan was temporarily halted Thursday due to a technical problem, as concerns remained over a power crunch in Tokyo and surrounding areas with the capital seeing the highest June temperatures in nearly 150 years amid a continuing heat wave.Joban Joint Power Co., operator of the Nakoso coal- and oil-fired power plant in Fukushima Prefecture, said the No. 9 unit was halted around 3 a.m. Thursday after vibrations were detected in one of the two ventilators at the facility but was restarted later in the day with the other working ventilator.With t…READ FULL ARTICLE