Temporary measures already allowed same-sex couples to get their marriage or civil partnership blessed.
The BBC's chief international correspondent Lyse Doucet arrived in Tehran to what she described as 'life on pause'.
Hadush Kebatu's mistaken release is a "symptom of a broken system", a former Met officer says.
Benjamin Field has been in prison for the murder of Peter Farquhar, 69.
The woman, aged in her 70s died at the scene in Wolverhampton on Wednesday.