Explosion on board an oil tanker, thought to have been due to a
terrorist attack, leads to extensive oil spill.
Uranium compounds dispersed from a nuclear facility leads to
radiation sickness in a local population.
Cluster of pneumonia cases. No evidence of person-to-person
spread. Cause unknown.
Gas leak from a plastics factory results in 14 deaths.
Contamination of water and soil with pesticides from an
abandoned pesticide storage depot.