Homa Hoodfar (Left) arriving in Oman
Hoodfar was arrested by the Islamic Revolutionary Guard Corps in March, but later released and barred from leaving Iran. She was then arrested again and transferred to Evin Prison in June. Hoodfar had been visiting family in Iran after the death of her husband and was also conducting academic research on Iranian women. Her charges included "dabbling in feminism," spreading propaganda against the state, and collaborating with hostile governments.
Canada and Iran severed diplomatic relations in 2012. Last week at the United Nations General Assembly, the Canadian Foreign Minister Stephane Dion and his Iranian counterpart met to discuss mutual relations and regional issues.
Here is a list of dual nationals currently detained by Iran:
Kamal Foroughi (British-Iranian), since May 2011
Nizar Zakka (Lebanese, U.S. permanent resident), since September 2015
Siamak Namazi (Iranian-American), since October 2015
Baquer Namazi (Iranian-American), since February 2016
Nazanin Zaghari-Ratcliffe (British-Iranian), since March 2016
Robin Shahini (Iranian-American), since July 2016
Here's an important read by journalist Maziar Bahari on why Iranian Foreign Minister Mohammad Javad Zarif lies about human rights (New York Times).