A man walks past a billboard featuring photographs of Iranian General Hamid Taghavi of the Iraqi Shi’ite militia group Saraya al-Khorasani in Baghdad

A man walks past a billboard featuring photographs of Iranian General Hamid Taghavi of the Iraqi Shi’ite militia group Saraya al-Khorasani, who was killed during fighting against the Islamic State in northern Iraq in December, in Baghdad January 26, 2015. REUTERS/Ahmed Saad

A man walks past a billboard featuring photographs of Iranian General Hamid Taghavi of the Iraqi Shi’ite militia group Saraya al-Khorasani, who was killed during fighting against the Islamic State in northern Iraq in December, in Baghdad January 26, 2015. REUTERS/Ahmed Saad

A man walks past a billboard featuring photographs of Iranian General Hamid Taghavi of the Iraqi Shi’ite militia group Saraya al-Khorasani in Baghdad