Of all the West Bank towns, the IDF General Staff was particularly concerned about the expected resistance in Nablus, and especially in its Casbah. Hamas and Fatah had launched dozens of suicide bombers. Despite a previous successful raid on Balata, the General Staff still estimated hundreds of armed men would be entrenched in the city, causing the IDF heavy casualties. Two days after the start of Defensive Shield, an extension of the operation north of Ramallah, to Nablus and Jenin, was approved. Originally, the mission was given to a reserve division, but was later transferred to the more experienced West Bank Division. The division's commander, Brigadier General Yitzhak Gershon, received two regular infantry brigades, the Paratroopers Brigade and the Golani Brigade, along with a reserve