Amnesty International says it fears Zimbabwe will resume executions after prison officials were quoted saying they have found a new hangman.
Iran has executed 10 drug traffickers in a prison in Tehran, says a statement on the website of the prosecutor's office.
Rights groups urged South Sudan on Monday to put a moratorium on the country's executions because of flaws in its legal system.
The Constitutional Court has ruled that SA may not extradite foreign nationals suspected of crimes that may lead to them to face the death penalty.
At a questioning session in Parliament, President Jacob Zuma would not commit to making public the outcome of the arms deal investigation.
At the opening of the revived Gallows Memorial at the Pretoria Central Prison, President Jacob Zuma said the death penalty would not reduce crime.
We will never know if Troy Davis was innocent, but what I know is the US authorities have executed a different man from the one convicted in 1989.
The US state of Georgia executed convicted murderer Troy Davis on Wednesday in a case that drew international attention.
As a teenager, Babul Miah was sent to prison for a murder he says he never committed but the promise of an early release turned him into a hangman.
Texas on Tuesday put to death a man convicted of a 2001 rape and murder by using a sedative that has often served to euthanise animals.
China executed on Wednesday three Filipinos convicted of drug trafficking despite a flurry of public appeals for clemency.
Global use of the death penalty continues to decline even though China, Iran, North Korea, Yemen, the US and Saudi Arabia still execute thousands.
Illinois was poised to become the first US state since 2009 to abolish the death penalty after the state senate approved the ban on Tuesday.
Rights group Amnesty International called on the United States on Friday to set an example to other nations by abolishing the death penalty.
Pharmaceutical company suspends production of Pentothal because it cannot obtain sufficient quantity of active ingredient.
A US grandmother was put to death by lethal injection in Virgina, the first women executed in the state for nearly a century.
A Utah firing squad shot to death a convicted killer early on Friday in the third United States execution by that means since 1976.
A man convicted of two murders was scheduled to die by firing squad on Friday, becoming the third man put to death by that means in the US since 1976.
Zimbabwean politician Roy Bennet will learn on Monday whether he must answer terrorism charges that could result in the death penalty.
The number of executions worldwide increased significantly last year, with China responsible for almost three-quarters of them.