Three women have been interviewed under caution over offences including human trafficking and facilitating rape, as part of an investigation into former Harrods boss Mohamed Al Fayed, the Metropolitan Police have said.

The Met said three women aged in their 40s, 50s and 60s were interviewed between 25 February and 5 March.

It said they were questioned on suspicion of aiding and abetting rape and sexual assault, assisting the commission of sexual offences and human trafficking for sexual exploitation.

It comes as a former senior Met officer recently told the BBC the investigation into allegations of rape and sexual abuse by Al Fayed should be widened to include trafficking.

Commander Angela Craggs said the update "marks an important step in a complex and far-reaching investigation" and that "victims remain at the centre".

"While Al Fayed is no longer alive to face prosecution, we have always been determined to bring anyone who is suspected to have played a part in his offending to justice," Craggs added.

In a statement, the Met Police said no arrests have been made and the investigation was ongoing.

The force said to date, 154 victims have come forward and reported allegations of sexual assault, rape, sexual exploitation and human trafficking.

Information gathered from these victims "has broadened the scope of the inquiry to cover all reported offences including human trafficking," it said.

Earlier this week, the former head of the Met's anti-trafficking unit, Phil Brewer, told the BBC he could not understand why the operation was not already a trafficking investigation.

Brewer said it made sense to make Operation Cornpoppy - which is looking into what role individuals may have played in facilitating or enabling Al Fayed's alleged offending - a trafficking investigation.

He said this would expand the "investigative strategy".

The Met Police called for anyone with information to contact them, adding that information can also be shared anonymously with Crimestoppers on 0800 555 111 or through their online form.

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