BAGHDAD, Iraq — An Iraqi man who was one of the first people on the scene of the U.S. airstrike targeting Abu Musab al-Zarqawi said he saw American troops beating a man who had a beard like the al-Qaida leader.

The witness, who lives near the house where al-Zarqawi spent his last days, said he saw the man lying on the ground near an irrigation canal. He was badly wounded but still alive, the man told Associated Press Television News.

U.S. troops arriving on the scene wrapped the man's head in an Arab robe and began beating him, said the local man, who refused to give his name or show his face to the camera. His account could not be independently verified.

The U.S. military made no mention of any physical contact between U.S. troops and al-Zarqawi other than an attempt to provide him with medical attention.

Zarqawi died shortly after the U.S. military obliterated his hideout northwest of Baghdad Wednesday with two 500-pound bombs. The bombs tore a huge crater in the date palm forest where the house was nestled outside the town of Baqouba.

Initially, the military had said al-Zarqawi was killed outright. But on Friday, the spokesman for the U.S.-led forces in Iraq said Iraqi forces found al-Zarqawi clinging to life.

"He mumbled something, but it was indistinguishable and it was very short," Maj. Gen. William Caldwell said of the Jordanian-born terrorist's last words.

Iraqi police pulled him from the flattened home and placed him on a makeshift stretcher. U.S. troops arrived, saw that al-Zarqawi was conscious, and tried to provide medical treatment, the spokesman said.

"He obviously had some kind of visual recognition of who they were because he attempted to roll off the stretcher, as I am told, and get away, realizing it was the U.S. military," Caldwell told Pentagon reporters via videoconference from Baghdad.

Al-Zarqawi "attempted to, sort of, turn away off the stretcher," he said. "Everybody re-secured him back onto the stretcher, but he died almost immediately thereafter from the wounds he'd received from this airstrike."

So much blood covered al-Zarqawi's body that U.S. forces cleaned him up before taking photographs. "Despite the fact that this person actually had no regard for human life, we were not going to treat him in the same manner," Caldwell said.

The airstrike killed two other men and three women who were in the house, but only al-Zarqawi and his spiritual adviser have been positively identified, he said.

Caldwell also said experts told him it is not unheard of for people to survive a blast of that magnitude.

"There are cases when people, in fact, can survive even an attack like that on a building structure. Obviously, the other five in the building did not, but he did for some reason," Caldwell said.

He said he did not know if al-Zarqawi was inside or outside the house when the bombs struck.

"Well, what we had found, as with anything, first reports are not always fully accurate as we continue the debriefings. But we were not aware yesterday that, in fact, Zarqawi was alive when U.S. forces arrived on the site," Caldwell said.

His recounting of the aftermath of the airstrike could not be independently verified. The Iraqi government confirmed only that Iraqi forces were first on the scene, followed by the Americans.

An aide to Prime Minister Nouri al-Maliki, speaking on condition of anonymity because he was not authorized to talk to the media, said he saw Caldwell's news briefing but could neither confirm nor deny that al-Zarqawi briefly survived the blast.

"Well, I think it's clear: The Americans said he was seriously wounded and he died," the aide said.