Just a sectarian lynching
From URUKnet
This video shows chief Prosecutor Munqith Al-Faroun, who was assigned to head the transfer of the body of Saddam Hussein from the headquarters of military intelligence in the Kadhimiya district north of Baghdad, chanting sectarian slogans (victory for the Shiites) echoed by protesters who later carried Al-Faroun their shoulders repeating the same slogans.
Also notice that this "celebration" was in front of the headquarters MinistersCouncil of, where the body was carried by ambulance, and the tape shows pictures of a Guard in military uniform and others dressed in civilian clothes carrying weapons and chanting slogans.