The new explosion at the third Japanese reactor indicates likely damage to the nuclear fuel container, Japanese nuclear experts say, but that's still not clear. One of the best sources of recent news is the NHK World live stream.
NHK reports that the utility company running the Fukushima plant couldn't dismiss the possibility that fuel rods are melting.
Brad Blog reports this disturbing new headline: PM'S "MESSAGE TO NATION": FIRE NOW BLAZING AT FUKUSHIMA DAIICHI UNIT 4 | DANGEROUS LEVELS OF RADIOACTIVITY DETECTED 'HARMFUL TO HUMAN HEALTH' | MOST WORKERS EVACUATED FROM PLANT | EVACUATION ZONE EXPANDED TO 20KM | THOSE INSIDE 20KM TO 30KM ZONE ASKED TO STAY INDOOR
What's the latest on this crisis?
Try these online resources:
Google's all-purpose help and news page, especially geared to those in Japan seeking news about locating loved ones and finding assistance.
Huffington Post's Big News Page.
Brad Blog, doing among the best American jobs of updating news.
Investigative journalist and author Tim Shorrock is asking and reporting tough questions about the response by Japanese officials and the TEPCO utility: http://timshorrock.com/
Leading anti-nuclear advocacy groups: Nukefree.org and the Nuclear Information and Resource Service.
Here are updates from the Nuclear Energy Institute, the trade group for the American nuclear power industry.
Overseas correspondent Mark McKinnon has valuable local news.
BBC updates, auto-refreshed.
Real-time news with search words at www.topsy.com.
Google's real-time news is also useful, but its algorithm isn't as sophisticated as the search engine at Topsy.com.
And don't forget to donate. Here's a selection of reputable groups.