4,000, with more than 8,000 considered missing. this woman is scouring the rubble for her uncle. she thought she may have found his shoe. the nation heard from the emperor, reserveder pot direst of national emergencies. the emperor act key per act hes heart is broken. the volunteer utility workers who have been exposed to life-threatening radiation levels ots fukushima daiichi. their company hasn't released personal information about them but a japanese newspaper says one of them is 59 years old, 6 months away from retirement. we heard this from a plant worker's wife -- >> >> translator: her husband's working at site in the face of danger of exposure to radiation but wants him to do his best. she says he's relied by e-mail