Sean 'Diddy' Combs' homes raided by Homeland Security

Two properties owned by Sean 'Diddy' Combs have been searched by federal agents as part of an ongoing sex trafficking investigation, according to reports.

Combs' homes in Los Angeles and Miami were searched by officers on Monday.

The searches were connected to a sex trafficking investigation by federal authorities in New York, the AP news agency reported.

In a statement, Homeland Security Investigations (HSI) said it "executed law enforcement actions as part of an ongoing investigation, with assistance from HSI Los Angeles, HSI Miami, and our local law enforcement partners."

Sky's US partner network NBC News understands that several phones were seized from Combs in Miami before he was scheduled to depart on a trip to the Bahamas.

According to NBC News, three women and a man have been interviewed by federal officials in Manhattan in relation to the sex-trafficking investigation and further allegations of sexual assault, solicitation and distribution of illegal narcotics and firearms.

Representatives for Combs did not immediately respond to NBC News' request for comment.

The American music mogul, 54, has been the subject of several lawsuits, including for sexual assault, in recent months.

In February, a music producer filed a lawsuit alleging Combs coerced him to solicit prostitutes and pressured him to have sex with them.

Combs' attorney said that for those allegations, "we have overwhelming, indisputable proof that his claims are complete lies".

The rapper's former protege and girlfriend, R&B singer Cassie, sued him in November alleging she was trafficked, raped, plied with drugs and beaten by Combs over a 10-year period.

The lawsuit said he forced her to have sex with male prostitutes while he filmed them. The suit was settled the day after it was filed.

Also in November, Combs was sued by Joie Dickerson-Neal who claimed he drugged and sexually assaulted her when she was a psychology student at Syracuse University in January 1991 and filmed the attack.

But rejecting the claims as "made up and not credible", a spokesperson for the star branded them "purely a money grab and nothing more".

Another of Combs' accusers is a woman who claims he "gang raped" her two decades ago after she was plied with drugs and alcoholwhen she was 17 years old.

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Combs has denied all the allegations.

In a statement in December, he described the claims as "sickening" and said his accusers were "looking for a quick payday".

"Let me be absolutely clear: I did not do any of the awful things being alleged. I will fight for my name, my family and for the truth," he said.

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Combs is among the most influential hip hop producers and executives of the past three decades.

Also known as Puff Daddy and P Diddy, he built one of hip-hop's biggest empires, blazing a trail with several entities attached to his name.

He is the founder of Bad Boy Records and a three-time Grammy winner who has worked with several top-tier artists including Notorious BIG, Mary J Blige, Usher, Lil Kim, Faith Evans and 112.

His latest album, The Love Album - Off the Grid, was released last year days after Combs was honoured at the MTV VMAs. It was nominated for best progressive R&B album at Febuary's Grammy Awards, which he did not attend.