There were additional hydrogen gas explosions in Units 1 and 3 and Unit 2’s containment may have been breached. (MIT Nuclear Science and Engineering – NSE)

Unit 2’s explosion damaged the suppression chamber and leaking oil caught fire and burned for two hours yesterday in Unit 4’s spent fuel pool. (NSE)

Reactor crews are preparing to re-enter after having been withdrawn yesterday due to dangerously rising levels of radiation.

A small cadre of 50 (to 70) workers out of a staff of more than 800 made world-wide news by remaining behind to carry out “last defense” measures to control the reactors. Guardian — New York Times