Shooter executed in Alabama by suffocation with nitrogen gas [Video]

THE US STATE of Alabama has carried out an execution with nitrogen gas, the second time such a method has been used in the United States.

Another man was put to death by lethal injection in the state of Oklahoma, officials said.

The two killings bring the total number of executions this year in the United States to 18, including five in the past week.

Emmanuel Littlejohn, 52, was executed by lethal injection in Oklahoma for the murder of 31-year-old Kenneth Meers during a convenience store robbery in 1992.

While admitting he was present at the scene, he has always denied being the one who shot Meers. Both he and his accomplice Glenn Bethany blamed each other for the killing.

The two men were convicted of murder but Bethany received life imprisonment, whereas Littlejohn was sentenced to death.

In August, the State Board of Pardons recommended a commutation of Littlejohn’s …