The U.S. Supreme Court has denied a stay for an Alabama death row inmate scheduled to be put to death with nitrogen gas.Alabama intends to execute Kenneth Eugene Smith, 58, by nitrogen hypoxia on Thursday. The controversial method has never been used in the United States.This story is breaking. Please check back for updates.

<div class="author-bio">Louis Casiano is a reporter for Fox News Digital. Story tips can be sent to&nbsp;<a href="mailto:louis.casiano@fox.com" rel="nofollow">louis.casiano@fox.com</a>.</div>

The U.S. Supreme Court has denied a stay for an Alabama death row inmate slated to die by the never-used method of nitrogen hypoxia.{ai:summary}The Supreme Court denies stay for Alabama death row inmate scheduled for execution by nitrogen gas, a controversial method never used in the United States. #crime

Alabama death row inmate facing nitrogen hypoxia execution loses last ditch appeal

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