Tepco surveys interior of unit 2 containment vessel
http://www.world-nuclear-news.org/RS-Tepco-surveys-interior-of-unit-2-containment-vessel-1901186.html
Underwater robot finds melted fuel inside a second Fukushima reactor
http://www.dailymail.co.uk/sciencetech/article-5288625/Melted-nuclear-fuel-seen-inside-second-Fukushima-reactor.html