More new reactions, more Boric Acid
It appears like the reactor(s) turned themselves on again, in a possible new "inadvertent criticality"
This looks like exactly the same problem (and short term solution) as discussed in this video, over 2 years ago:
By the way the Fairewinds.com site continues to post useful videos about Fukushima and other nuclear issues. For continuing discussion of the crisis I've also found this blog: http://akiomatsumura.com