Follow latest updates at twitter.com and www.facebook.com Japan is struggling to control the reactors damaged by the disasterous earthquake as radiation levels continue to rise and a partial meltdown of nuclear fuel is feared in two facilities at the Fukushima plant. Workers were withdrawn after the danger of exposure peaked - the alert also saw plans to drop water from helicopters adandoned. Energy adviser Arnold Gundersen says the Japanese nuclear crisis could have disasterous consequences.