U.S. Secretary of State Rex Tillerson's firing is reverberating across a Middle East where Iran fears his replacement will fight to end the 2015 nuclear deal, a hope of Gulf Arab states as Palestinians worry about a further-emboldened nationalist Israeli government. Usnews.com Unit 3 of the Ohi nuclear power plant in Japan's Fukui Prefecture reached criticality this morning, operator Kansai Electric Power Company announced. The reactor - the sixth to be restarted after clearing the country's revised safety regulations - is expected to resume commercial operation early next month. World-nuclear-news.org The US Nuclear Regulatory Commission (NRC) has issued a confirmatory order to Entergy Nuclear Operations, Inc and Entergy Operations, Inc, documenting actions they have agreed to take to implement programs designed to prevent wilful misconduct at their fleet of seven operating nuclear power plants. World-nuclear-news.org Russia's first ship-based nuclear power plant will set sail in late April from its St. Petersburg mooring on its way to Murmansk, a near-coastal port off of the Barents Sea, where it will be loaded with fuel, according to a report from Russian media outlet Tass. Nuclearstreet.com