Justin McCurry. February 3, 2017. Fukushima nuclear reactor radiation at highest level since 2011 meltdown. The Guardian, https://www.theguardian.com/environment/2017/feb/03/fukushima-daiichi-radiation-levels-highest-since-2011-meltdown
Radiation levels inside a damaged reactor at the Fukushima Daiichi nuclear power station are at their highest since the plant suffered a triple meltdown almost six years ago.
I have not interpreted the latest news from TEPCO as indicating that radiation levels have risen.
Rather, I interpret the latest news as indicating that TEPCO was successful in getting a robot into an existing high-radiation area in the plant, under the reactor-pressure vessel of unit 2, as explained in this excerpt from an article published in The Japan Times:
Highest radiation reading since 3/11 detected at Fukushima No. 1 reactor. The…