A gym employee has died and a client is in the hospital after a suspected gas ... taking part in a cryotherapy session when nitrogen gas leaked from a cold chamber just before 6:30 p.m. local ...

The first person to be executed in America by way of nitrogen gas was Kenneth Eugene Smith in Alabama, just over a year ago. Witnesses said Smith writhed and seized for several torturous minutes ...

Three people died and over 50 others fell sick as toxic gas leaked from a tanker parked ... said people in the area were admitted to a local hospital after they complained of breathing problems ...

Read full article: Shooting near Wisdom High School sends 2 HISD students to hospital in southwest Houston ... is scheduled to execute a man with nitrogen gas on March 18. Arkansas lawmakers ...