Related by context. Frequent words. (Click for all words.) 54 inhaling fumes 50 Flames engulfed 49 poisonous fumes 48 Hydrogen sulfide 48 inhaling smoke 46 chlorine leak 46 toxic fumes 45 Explosion rocks 45 faulty boiler 45 highly inflammable 45 carbon monoxide fumes 45 Explosion kills 44 inhaling tear 44 inhaling 44 Union Carbide pesticide 44 explosion 44 poorly ventilated 43 fumes 43 died 43 explosion rocked 43 Fumes 43 Toxic chemicals 43 severe burns 42 hospitalized 42 Fire engulfs 42 noxious fumes 42 Train derails 42 inhalation 42 Explosions rocked 42 carbon monoxide leak 41 unventilated 41 official Dr. Moaiya 41 Toddler dies 41 ethylene oxide 41 flammable substances 41 transformer exploded 41 mortar shell landed 41 prompts evacuation 41 exploded 40 train derailed 40 Train derailment 40 methylene chloride 40 Teenager dies 40 mortar shells landed 40 faulty heater 40 evacuated 40 Gunman opens 40 explosions rocked 40 carbon monoxide poisoning 40 toxic gases 40 Inhaling 40 arsenic laced 40 chemical solvents 40 carbon monoxide 40 noxious chemicals 40 critically injured 40 Firefighters doused 40 poisoning 39 incinerates 39 suicide bombers detonated explosives 39 americium 39 train derails 39 hydrogen cyanide 39 spontaneously combusted 39 toxic vapors 39 explosions 39 incinerated 39 noxious gases 39 Poisonous 39 poisonous 39 chemical vapors 39 burns 39 naturally occurring radioactive 38 smoke inhalation 38 poisoned 38 poisonous chemicals 38 odorless colorless gas 38 train derailment 38 carcinogenic chemicals 38 sickened 38 Blast kills 38 asphyxiated 38 exploded prematurely 38 killed 38 colorless odorless 38 eye irritation 38 highly flammable liquid 38 Radioactive material 38 Suicide bombers kill 38 firefighters extinguished 38 chlorine 38 ammonia fumes 38 superheated steam 38 Arson suspected 38 hydrogen fluoride 38 heavily polluted 38 hydrogen chloride 38 prompts evacuations 38 spokesman Viktor Beltsov 38 hydrogen sulfide 38 highly flammable