Reuters: Six workers at Japan's crippled Fukushima nuclear plant were exposed to a leak of highly radioactive water on Wednesday, the latest in a string of mishaps the country's nuclear watchdog has attributed to carelessness, saying they could have been avoided.
Tokyo Electric Power Co, also known as Tepco, has been battling to contain radioactive water at the plant, which suffered triple meltdowns and hydrogen explosions following a devastating earthquake in March 2011.
In the latest incident, a worker...