The body of a second woman has been found in the rubble of an apartment where the Paris attacks ringleader was killed during a seven-hour siege.
It has also been confirmed that his cousin, Hasna Aitboulahcen, 26, died during the raid.
She is believed to be the woman who blew herself up with an explosives vest while holed up in the apartment.
She was formally identified from her fingerprints. A handbag containing a passport in her name was found in the debris, prosecutors said.
Authorities originally thought two people had been killed in the raid, but the third body was found in the rubble overnight.
Prosecutors have only confirmed it is a female body, but are still working to identify her.
They described the bodies as badly mangled.
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Abaaoud's body was found "riddled with bullets" after the raid, the prosecutor's office said. He was identified using skin samples.
The 28-year-old was accused of orchestrating last Friday's bombings and shootings in the French capital, which killed 129 people.
His father, Omar Abaaoud, has told French media through his lawyer that he is "sorry" his son "wasn't captured alive".
It has also emerged that Abaaoud was seen on CCTV at a Paris metro station while Friday's atrocities were still under way.
Abaaoud was filmed at 10.14pm at the Croix de Chavaux in Montreuil, not far from where one of the cars used in the attacks was found.
A witness has also told Sky News that he was seen drinking beer and smoking cannabis after the massacres.
French media is also reporting his cousin Aitboulahcen transformed from a party girl who liked wearing cowboy hats to a radical Islamist who wore the full-faced veil just six months ago.
"She was unstable, she created her own bubble. She wasn't looking to study religion, I have never even seen her open a Koran," her brother told AFP news agency.
Meanwhile, Belgian media is reporting that several witnesses have spotted one of the suspected attacks gunmen, Salah Abdeslam, in Brussels.
One witness said he saw Abdeslam in Molenbeek on Tuesday evening. He said the 26-year-old wanted to meet him to get a message to his brother.
The witness told La Capitale that Abdeslam seemed to regret his actions.
"He told me it had gone too far. He was overwhelmed by what was happening. He couldn’t give himself up. It would have had consequences for his family," the witness said, believing it meant reprisals from IS.
Other witnesses reportedly saw Abdeslam in the Anderlecht area, around two miles from Molenbeek.There has been no official confirmation of these sightings.
The Frenchman, who was born in Brussels, escaped across the Belgian border hours after the Paris attacks and is still on the run.
French authorities missed an opportunity to detain him when he was questioned and released on Saturday morning.