Nuclear emergency /Disaster is caused due to an extraordinary release of radioactive material or radiation either in the operation of nuclear reactors or other nuclear events like explosion of a Radiological Dispersal Device (RDD) or Improvised Nuclear Device (IND) or explosion of a nuclear weapon.
It is a type of explosion deriving its force from nuclear reactions of fission and fusion. It is accompanied with sudden release of harmful radiations or radioactive materials or both together in to the environment.
1. Don't look at fire as it causes instant blindness
2. Close all doors and windows as radioactivity doesn't penetrate into solid structures
3. Cover all food and water and listen to government orders