Areal photograph on the left is of the damaged facility. Notice the roofs are missing from the containment building(s) reactors #2 and #3. It is still not clear whether or not the containment vessels have been breached.
What is known is the fuel rods have been come exposed multiple times because pumps used to inject the sea water have been having fueling issues.
(Cnn writes) – “Yukio Edano, Japan’s chief Cabinet secretary, said he could not rule out the possibility of a meltdown at all three troubled reactors at the Fukushima Daiichi nuclear power plant in northeastern Japan.