Gov. Mary Fallin said Wednesday the state will not hold any further executions until a thorough review is completed into a botched lethal injection Tuesday evening.

She said the state Department of Public Safety would conduct an independent review of execution procedures after the execution of convicted killer Clayton Lockett went awry. He writhed, grimaced and tried to move his head after drugs were administered and at a time when he was supposed to already be unconscious. The execution was called off, but he ended up dying of a heart attack 43 minutes after the first drugs were administered.

Fallin gave a two-week stay of execution to a second man, Charles Warner, who was also supposed to be executed Tuesday night. The governor said Wednesday that stay will be extended if the review of execution procedures is not completed in the two-week period.

The review is to determine: