killers. we re going to begin tonight with devastating new developments in japan. good evening, everyone. i m brian bolter. and i m shawn yancy. we re in the news room now monitoring those constant changes in japan. laura evans is with me with what s unfolding at the fukushima plant. if this couldn t get worse, a fire at one of the reactors, they believe is causing the release of radioactivity. how is the government responding? they re increasing the radius. they re telling anyone within 20 miles of the plant to seal themselves indoors to try to avoid any exposure. this means everybody that was already nervous is even more on edge. not only are they dealing with the radiation scare, they re also still dealing with trying to find their loved ones. reporter: they have already survived the fifth largest earthquake in modern history and the tsunami that devoured everything in its past and they face health dangers that may not appear for years. 11,000 parts of rad