Japan power plant melt down

So while reading the news on CNN today I saw that two reactor cores are possibly in meltdown. For those of you that don't know what that means, let me simplify. If it doesn't kill you from radiation poisoning now the cancer or leukemia will most likely get you later. In other words bad bad news. I hope to God they have evacuated everyone far enough out of the affected zone. There were already 160 people that tested positive for high levels of radiation contamination. This after the official report was that a controlled harmless amount of radioactive air was released.