The Kori No. 1 reactor (right) and No. 2 reactor of state-run utility Korea Electric Power Corp (KEPCO) are seen in Ulsan, about 410 km (255 miles) southeast of Seoul, Sept 3, 2013.
We have been experiencing some problems with subscriber log-ins and apologise for the inconvenience caused. Until we resolve the issues, subscribers need not log in to access ST Digital articles. But a log-in is still required for our PDFs.