“Stable” Reactors 5 and 6 threatened by Cracks, Leaks April 5, 2011

In this Japanese News broadcast, the discussion turns to the Units 5 and 6 reactors, which were thought to be in stable shutdown up till now. Earthquake damage is allowing water leaks, which could compromise the units.

In other developments, the water leak that TEPCO has been trying to fix appears to be decreasing.

From NHK World:

The operator of the crisis-hit Fukushima nuclear plant has injected a hardening agent beneath a leaking concrete pit in a bid to stem the flow of highly radioactive water into the sea. The firm says the leakage seems to be decreasing, following the infusion of the hardening agent. The utility showed reporters a photo of the leak on Tuesday evening, saying it indicates such a decrease. TEPCO said it will infuse another 1,500 liters of liquid glass. Tokyo Electric Power Company started infusing liquid glass into gravel below the pit near the Number 2 reactor at 3 PM on Tuesday.