Officials have emphasized that the cloud is harmless, as liquid nitrogen is an inert gas that is non-flammable and non-poisonous. “This vapor cloud poses no risk to the public,” Plainfield ...

The tanker truck is carrying liquid nitrogen and it is leaking, creating a vapor cloud in the area. Liquid nitrogen is an inert gas that is not flammable and is non-poisonous, according to fire ...

Kamikaze survivors share stories of sacrifice, tragedy and loyalty Overall an estimated 90,000 people were killed by gas attacks, and a further 1.2 million injured, sometimes when the poisonous ...