Tehran, Jan 25, IRNA – Iran’s Judiciary chief Ebrahim Raeisi and Head of Iraq’s High Judicial Council Faiq al-Zaydan in a telephone conversation on Saturday vowed to sue the United States in domestic and international courts for the assassination of former IRGC Quds Force Commander Lieutenant General Qassem Soleimani and acting commander of Iraq's Popular Mobilization Units, known as Hashd al-Shaabi, Abu Mahdi al-Mohandes.