International observers are expected to give their verdict on Monday, which could embolden or weaken the opposition's case and determine how Turkey's western allies will respond.
Pope Francis delivered the traditional Easter Sunday Mass sermon in Rome on Sunday with a call for an end to the "horror and death" in Syria and prayed for Jesus to help world leaders end the arms trade.
The injunction represents the latest legal setback in the state of Arkansas' attempt to execute the inmates - eight of whom were originally scheduled to be put to death by the end of April.
A US military strike with a weapon known as the "mother of all bombs", MOAB, killed 36 IS militants and destroyed their base, the Afghan defence ministry says.
