Japanese Prime Minister Fumio Kishida said Saturday he “takes seriously” the recent error-caused halt in the first attempt to extract small amounts of melted fuel from one of the crippled reactors at disaster-stricken Fukushima Daiichi nuclear complex. Kishida’s remarks, made during a visit to Fukushima Prefecture, followed the industry minister’s directive to plant operator Tokyo Electric Power Company Holdings Inc. to investigate and report the causes of Thursday’s suspension of fuel retrieval work at the No. 2 reactor. TEPCO said setup errors in the retrieval device forced it to suspend the…