Tokyo Electric Power Co. said the fishing rod-like device carrying a camera went deep into the plant's Unit 2 primary containment vessel. "But we were able to obtain important information that we need in order to determine the right method for removing the melted fuel debris." Crucial data in a long processDetermining the location of the melted fuel is crucial in planning for its removal, the hardest process in the plant's decommissioning. The government and TEPCO plan to determine the methods and start removing melted fuel from one of the three reactors in 2021. Experts say they believe part of the fuel still remains inside the core of the Unit 2 reactor, while almost all of the fuel rods in Unit 1 and 3 melted and fell to the bottom of the primary containment chambers.

Source: CBC News January 19, 2018 20:58 UTC