Tennessee and Oklahoma put inmates to death within 30 minutes of each other Thursday as U.S. states scheduled three lethal injection executions in one day.

This undated photo, courtesy of the Tennessee Department of Correction (TDOC), shows death row inmate Anthony Darrell Hines at an unknown location in Tennessee. (TDOC…

The executions come as a small number of states, including Tennessee, Alabama and Oklahoma, drive execution numbers in the United States.