REUTERS/Tokyo Electric Power (TEPCO)/Handout
A worker wearing a protective suit points at a cracked concrete pit near its No. 2 reactor of the Tokyo Electric Power Co. (TEPCO)'s Fukushima Daiichi Nuclear Power Plant in Fukushima prefecture, April 2, 2011. The operator of Japan's stricken nuclear plant said on Saturday it had found radioactive water leaking into the sea from a cracked concrete pit at its No. 2 reactor in Fukushima. TEPCO said the radiation in the pit measured 1,000 millisieverts per hour.