The Supreme Court made the rare decision Friday to block the execution of a death row inmate after Oklahoma's attorney general agreed that his life should be spared.

Richard Glossip had been slated to be put to death on May 18 despite support from Oklahoma Attorney General Gentner Drummond (R) who said Glossip did not receive a fair trial.

OKLAHOMA ATTORNEY GENERAL WANTS TO VACATE CONVICTION OF HIGH-PROFILE DEATH ROW INMATE

An Oklahoma appeals court upheld Glossip's conviction after Drummond's public support and the state's pardon and parole board deadlocked on a vote on whether to grant clemency.

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The Supreme Court's decision puts the execution on hold while it reviews the case. Justice Neil Gorsuch took no part in the case likely because he dealt with Glossip's case earlier as an appeals court judge.

This is a developing story and will be updated.