Israeli soldiers raiding a hospital in northern Gaza desecrated the bodies of dead patients with bulldozers, let a military dog maul a man in a wheelchair, and shot multiple doctors even after vetting them for terror links, according to allegations by staff and patients.

The claims relate to an eight-day operation by the Israel Defense Forces (IDF) at the Kamal Adwan Hospital last week, which the military alleges was being used as a command and control center by Hamas.

CNN spoke to two senior medical staff, another doctor and a patient at the hospital, who provided corroborating testimonies of what happened. CNN also reviewed video evidence for some of the claims.

Among the most serious allegations relating to the IDF’s operations at Kamal Adwan is that, as troops were leaving the hospital complex, they used bulldozers to dig up bodies that had recently been buried in makeshift graveyards in the hospital’s courtyard.

“The soldiers dug up the graves this morning and dragged the bodies with bulldozers, then crushed the bodies with the bulldozers,” said the hospital’s head of pediatric services, Hossam Abu Safiya, in a phone interview on Saturday. “I have never seen such a thing before.”

Videos and images he shared with CNN show decomposing human remains scattered across the hospital grounds.