The Japanese Asahi Shimbun said on April 4 that the Tokyo Electric Power Co. began to release water of relatively low-level radiation into the sea from some facilities of the power plant in order to make room to store a high level of radioactive water.

It was reported that the power plant will discharge 11,500 tons of contaminated water to the sea in a few days to come.

The Kyodo News Service reported that the volume of high concentration of contaminated water inside turbine rooms of Reactors Nos. 1, 2 and 3 and vertical structures on their sides is estimated to total 60,000 tons.

The FoE, an international non-governmental environment protection organization, in a statement said that it is unbelievable that Japan is releasing more than 10,000 tons of radiation-contaminated water to the sea in violation of the international treaty banning the discharge of radioactive waste.

On April 6 the Tokyo Electric Power Co. officially announced the level of the measurement of radioactive substance inside the containment vessels of Reactors Nos. 1, 2 and 3 of the Fukushima Nuclear Power Plant. According to it, 70 percent of the fuel rods of Reactor No. 1 and 30 percent and 25 percent of those of Reactors Nos. 2 and 3 were confirmed to have been damaged.

The New York Times on April 5 said that one cannot rule out the danger of the reoccurrence of hydrogen explosion at reactors of the power plant.

Radioactive rain began to fall in areas south of the Korean Peninsula while the international community is showing increasing concern about the leakage of radiation-contaminated water from Japan.

South Korean KBS reported on April 7 that the rain which began to fall in the areas of Jeju and North and South Jolla Provinces is steadily spreading to Seoul and inland areas.

It said that radioactive substance was detected in the rain which fell on Jeju Island on the same day, adding that there were radioactive iodine and cesium of 2.02 Bq and 0.538 Bq per liter of rainwater, the highest level so far.

It was reported that this brought lessons at some schools of south Korea and outdoor activities to suspension.

The Japan Meteorological Agency predicted that the Korean Peninsula might come under the influence of radioactivity, adding that in case 1 Bq of radioactive substance leaks from the nuclear power plant, radioactive substance of 1 Bq over 1,000 trillion per 1 cubic meter is expected to fall in the southern part of the Korean Peninsula and that equivalent to one hundredth in its central part.

It was known that the peninsula moved 2.3 cm on an average to the east under the influence of the massive quake in Japan.

The Japan National Police Agency said that the death toll of the quake and the ensuing tsunami increased to 12,596 and those of the unaccounted for to 14,747 as of 10 a.m. on April 7.