CAIRO (Update 2) - The fifth witness in the trial of Hosni Mubarak, being held in the Police Academy in New Cairo on Wednesday, changed his testimony, Al-Youm Al-Sabea reports. Police officer Mohamed Abdel-Hakim was summoned to give evidence over the killing of the revolution victims. He was giving his first testimony in court; his secret testimony before the prosecution (not in court) was different. He said 24 soldiers from Central Security Forces used two guns to fire teargas at protesters and two starting pistols to help disperse them. He denied that they used live ammunition against protesters. “I read in the media that soldiers used violence against protesters, but I don't know who fired at protesters,” the witness added. Mubarak's, his two sons ��" Alaa and Gamal ��" Egypt's interior minister Habib el-Adli and six of his deputies were in court again on Wednesday, being tried on charges of being involved in the killing of protesters during the January 25 revolution.