 Another major event of his reign was the Jelali revolts in Anatolia.Karayazıcı Abdülhalim, a former Ottoman official, captured the city of Urfa and declared himself a sultan in 1600.The rumors of his claim to the throne spread to Constantinople and Mehmed ordered the rebels to be treated harshly to dispel the rumors, among these, was the execution of Hüseyin Pasha, whom Karayazıcı Abdülhalim styled as Grand Vizier.