THREE men were stabbed during a mass brawl at a sex party staged by self-style Lord Eddie Davenport.

A bloodbath erupted at his notorious Marylebone Mansion in Portland Place, central London.

The trouble is suspected to have involved drug dealers operating at the sex party.

A group of men used knives to stab party-goers during the fight at 7am on Sunday.

Cops and paramedics were called to the sleazy address, where Bonnie Blue recently slept with more than a 1,000 men in 12 hours.

Emergency workers were confronted with a bloodbath when they arrived.

One source said: “There was blood everywhere with people lying injured all over the place.

“It looked like a battle scene rather than a sex club.”

Four men were taken to hospital with injuries.

Three of them had stab wounds though none of the injured were left in a life-threatening condition.

Police arrested three men on suspicion of causing grievous bodily harm and drug supply offences.

A Met Police spokesperson said: “Police were called to an address at Portland Place, W1 at 07:00hrs on Sunday, 23 February following reports of an assault.

“Officers attended with the London Ambulance Service and four men were taken to hospital.

“Three of the victims had sustained stab wounds. Their injuries are not believed to be life-threatening.

“Police arrested three men, including one man on suspicion of GBH and possession with intent to supply, one man on suspicion of GBH and another man on suspicion of possession with intent to supply.”

It is understood the arrested men have been bailed.

Police have taken out a Section 76 Closure Notice on the property to prevent access to it and the risk of further disruption.

Convicted fraudster Davenport, 58, last year managed to stop police from shutting down his parties at the £15 million mansion.

Officers had been called 63 times to incidents involving his property following parties, thanks to noise complaints, alleged drug use, and rowdy partygoers.

The mansion block was used by 25-year-old Bonnie Blue – real name Tia Bellinger – to sleep with more than 1,000 men in 12 hours.

She revealed how she was left covered in bruises and bite marks from the controversial sex marathon.

Davenport told The Sun this week: “The whole day was the craziest I’ve ever experienced.

“Men queued from the basement to the top floor in balaclavas and a lot lost their virginities that day.”

Davenport – also known as Fast Eddie – made his name by organising Gatecrasher Balls for wealthy young toffs in the late 1980’s.

He was convicted in 2011 of an advance-fee fraud and jailed for seven years and eight months.

The knife brawl erupted at Davenport’s £15 million townhouse at 32 Portland Place.

He previously owned a 24-bedroom mansion across the road at number 33 which was formerly owned by the Sierra Leone government.

Dublin-born Davenport sold that property for £27 million in 2015 to settle a court order to pay the Serious Fraud Officer £14 million over his conviction.

He then bought the property at number 32 where neighbours say they have suffered years of very loud music, partygoers taking drugs and vomiting in the street.

A closure hearing was told last year how police had been called to reports of two rapes at the address.

One of them occurred in July last year when a woman snorted a line of cocaine in the bathroom and blacked out before discovering her knickers were ripped when she regained conciousness, the court heard.

And a man was killed in Lewisham after attending one of the parties, City of London magistrates’ court was told.

The court heard the man was with two women and  were followed from the party to their AirBnB in South London by robbers.

He died after being bottled in the neck by the robbers as he tried to protect the women, Met neighbourhood PC Hannah Fordham told the hearing.

But magistrates refused to grant the closure order saying the police case had not been proved beyond the balance of probability.

The Met said it is now pursuing another closure order following the latest outbreak of trouble.