The U.S. Supreme Court has blocked Alabama’s use of nitrogen hypoxia to execute a death row inmate who was convicted of killing two people in Dallas County, and Alabama leaders are now reacting to the decision.

The Supreme Court blocked Alabama on Thursday night from using nitrogen gas to execute a convicted murderer, rejecting a last-minute appeal by state officials after lower-court judges found that the m...

A federal judge on Tuesday ruled that Alabama’s nitrogen protocol is unconstitutional and blocked the state from using it to execute Jeffery Lee, 49.