The protests came a day after South Koreas government formally endorsed the safety of the Japanese plans, saying that the contamination levels of water pumped out from the plant would be within acceptable standards and wouldnt meaningfully affect South Korean seas as long as the plant's treatment systems work as designed.
Japan yesterday raised the severity level of crisis at the crippled Fukushima plant to a maximum seven, bringing it on par with the 1986 Chernobyl disaster.
France and the United States will help Japan in its battle to contain radiation from a crippled nuclear complex where plutonium finds have raised public alarm over the world's worst atomic crisis since Chernobyl in 1986.
Japan's nuclear crisis escalated today with critical work to reconnect power lines at the crippled Fukushima plant being stalled after smoke rose from two reactors, fuelling fears of fresh radiation leaks.