The Hiroshima District Court has today rejected a petition by a group of residents for a temporary injunction against the operation of unit 3 at the Ikata nuclear power plant in Japan's Ehime prefecture. The decision comes days after another court removed an injunction against the operation of Takahama units 3 and 4.

Westinghouse filed for Chapter 11 protection from creditors today to enable strategic restructuring amid "financial and construction challenges" in its US AP1000 power plant projects. For its Japanese majority owner, Toshiba Corp, the move helps stem further liabilities from guarantees it provided its USA-based unit, which were $9.8 billion as of December.

The Osaka High Court in Japan has lifted an injunction that has kept units 3 and 4 of Kansai Electric Power Company's Takahama nuclear power plant offline for the past year. The court agreed with the utility that the units, which are in Fukui prefecture, are safe to operate.

Tokyo Electric Power Company has completed a five-day investigation of the primary containment vessel (PCV) of the damaged unit 1 of the Fukushima Daiichi plant using a robot. The results of the survey will help Tepco determine the location of fuel debris within the vessel.

A robot has entered into the primary containment vessel of the damaged unit 1 of the Fukushima Daiichi plant and provided Tokyo Electric Power Company with radiation and temperature measurements within it. The company hopes the data, together with video footage, will enable it to locate the molten fuel in the unit.

Tokyo Electric Power Company is preparing to insert a Hitachi-developed robot into the primary containment vessel of the damaged unit 1 of the Fukushima Daiichi plant. Last month, a Toshiba-developed robot was used to survey the vessel of unit 2.

Global Nuclear Fuel-Japan's fuel fabrication plant in Yokosuka in Kanagawa Prefecture meets new regulatory standards, the country's nuclear regulator has concluded. It becomes the first fuel cycle facility to be confirmed to meet the revised safety standards, introduced in December 2013.

Three Japanese utilities - Chubu, Hokuriku and Tokyo Electric Power Company - have agreed to collaborate on improving their nuclear safety through technical cooperation.

Tokyo Electric Power Company yesterday sent a robot into the primary containment vessel of the damaged unit 2 at the Fukushima Daiichi plant in Japan. Although the robot was unable to reach the part of the vessel directly under the reactor pressure vessel, the company said the information it gathered will help it determine how to decommission the unit.

Japanese utility Chugoku Electric Power Company has submitted to the regulator an amendment to its decommissioning plan for unit 1 of its Shimane nuclear power plant.

Toshiba Corp is committed to Moorside despite announcing today it would reduce its exposure to reactor construction projects outside Japan, the head of its UK joint venture, NuGeneration, has said. The Japanese electronics conglomerate reported a net loss of JPY390 billion ($3.4 billion) in the year to March 2017 and said it would book a JPY712.5 billion ($6.3 billion) loss on its US nuclear unit.

Kansai Electric Power Company has submitted an amendment to its decommissioning plan for the shut down units 1 and 2 of its Mihama nuclear power plant in Japan's Fukui Prefecture.