Third Japanese reactor goes critical after cooling system fails

The Japanese can’t catch a break at the Fukushia Daiichi plant:

Technicians are battling to stabilise a third reactor at a quake-stricken Japanese nuclear plant, after it was rocked by a second blast in three days.

The Fukushima Daiichi plant’s operators said they could not rule out a fuel rod meltdown, after a cooling system broke.

They are injecting seawater into reactor 2 after its fuel rods became almost fully exposed. (HotAir.com)