LINKEDINCOMMENTMORE

TALLAHASSEE, Fla. -- The Florida Supreme Court is delaying the execution of a man who killed a prison guard while on death row for two other murders.

The court ordered the delay on Monday and ordered a hearing on whether a new drug being used in lethal injections effectively renders the condemned unconscious.

Askari Abdullah Muhammad - formerly known as Thomas Knight - was scheduled to be executed Dec. 3. The court ordered that the execution cannot be held before Dec. 27.

The court also ordered the Bradford County Circuit Court to hold hearings on whether the sedative midazolam hydrochloride is effective in ensuring a condemned inmate won't feel pain when two other drugs are used to induce paralysis and cardiac arrest are administered.