Iran’s judiciary says three protesters detained over the January unrest in the city of Mashhad have been hanged, as rights groups report four murder convicts were executed in a unrelated case in Isfahan. Iran executed seven people on Monday, including three men convicted in connection with the January protests in the city of Mashhad, as rights groups said at least one of them was put to death without credible evidence against him. Arrests and executi... [3352 chars]