Underwater robot probes inside Fukushima reactor

The operator of Japan's stricken Fukushima nuclear plant said Friday it is using an underwater robot in a renewed attempt to inspect damage suffered in a tsunami-induced meltdown.A massive undersea earthquake on March 11, 2011 sent a huge wave barrelling into Japan's northeast coast, killing more than 18,500 people, and sending three reactors into meltdown at the plant in the worst such accident since Chernobyl in 1986.Tokyo Electric Power Co (TEPCO) in February sent a remote-controlled robot in