Japan nuclear fears as systems fail at second reactor  —  Officials warn of more radiation leaks as residents panic, jamming city's exit roads  —  Fears of another explosion at a Japanese nuclear plant are growing after officials said the cooling system in a second reactor had failed.

Battle to stabilise earthquake reactors  —  Attention is focused on the Fukushima Daiichi and Daini nuclear power plants as Japan struggles to cope in the aftermath of its worst earthquake in recorded history.  An explosion on site did not damage containment.  Sea water injection continues after a tsunami warning.