reactor three may have boiled dry. that means even more radiation is now spewing into the area. >> as firefighters and plant workers continue to furiously fight to head off a total meltdown, several nations including the u.s. and britain telling citizens to evacuate. >> television here in japan is now reporting high levels of radiation 18 miles from the fukushima plant. that happens to be outside of the japanese government's evacuation area. but within the u.s. government's 50-mile zone. >> there is a real gap between what the united states experts are recommending and what the japanese officials are saying. >> the united states we would make a recommendation to evacuate personnel to a much larger area than is currently being done in japan. >> we are not sure if it is sensible to stay and if the exclusion gets extended then we can't get out. i think it is better are to get