A BANKER tortured a prostitute for three days, then slashed her throat and hid her body in a suitcase, a court heard yesterday.

Rurik Jutting, 31, even filmed himself subjecting Sumarti Ningsih, 23, to a horrific ordeal after fuelling himself with booze, cocaine and Red Bull

15 Rurik Jutting, 31, arrived in court in Hong Kong today to enter his plea (File photo) Credit: Reuters

15 Sumarti Ningsih's body was found in a suitcase in Jutting's luxury apartment Credit: candymagicuk supplied by pixel 8

15 Seneng Mujiasih was also killed by Jutting, who is said to have filmed the attacks on his phone Credit: Facebook

15 Jutting arrives at court in an armoured prison van as part of a police convoy today Credit: Getty Images

15 The case has been the subject of much media attention and has shone a spotlight on Hong Kong's seedy underbelly Credit: Getty Images

He forced terrified mum-of-one Sumarti to lick a toilet bowl before he cut her throat with a serrated knife.

But she did not die immediately so he dragged her to the shower where he sawed through her neck.

Sumarti was one of two Indonesian sex workers killed by Jutting in his luxury 31st floor flat near Hong Kong’s seedy Wan Chai district.

His second victim, Seneng Mujiasih, 26, was killed five days later. Her throat was also cut.

Prosector John Reading QC told Hong Kong’s High Court: “This is a horrific case. There are video clips taken from the accused’s iPhone and photos — and they show extreme torture.

“You will see a dead body in the shower and it will be difficult to watch.

“This is a unique case because much of the evidence comes from the accused himself.”

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Cambridge University graduate Jutting, originally of Cobham, Surrey — who moved to Hong Kong in 2013 — sat in the dock with four prison guards.

He pleaded guilty to manslaughter on the grounds of diminished responsibility but this was rejected by the prosecution.

He denied two charges of murder but admitted a third charge of preventing the lawful burial of a body.

The trial started almost two years to the day after Sumarti’s death.

Jutting wrapped her body in a plastic bag and stuffed it in a suitcase that he left on a balcony.

Sumarti had met Jutting in a hotel for sex days earlier, the jury heard.

He had been rough with her and she offered him half his money back if she could leave. He agreed.

But days later she went back to his flat in the early hours after he promised her a large sum of money.

Mr Reading said: “Over the next three days the accused subjected Miss Ningsih to increasingly cruel levels of violence using his belt, sex toys, a pair of pliers and his fists.

“After torturing her he took her into the bathroom, had her kneel in front of the toilet bowl with her hands tied behind her back, made her lick the bowl and then he cut her throat with a serrated-edged knife.

15 Police found two Indonesian women dead in Jutting's luxury apartment in 2014 Credit: Getty Images

15 Armed policemen guard the entrance as a prison car carrying British former banker Rurik Jutting enters High Court Credit: Reuters

15 Jutting is said to have murdered the two sex workers before chopping their bodies up Credit: Getty Images

15 A judge warned jurors that the banker filmed the 'shocking' attacks on his mobile (File photo) Credit: News Group Newspapers Ltd

“She did not immediately die, so he dragged her into the shower and continued to saw through her neck. That knife was never recovered.”

The court heard Jutting videoed himself as he discussed the killing and what he should do next, whether to give himself up, kill himself or hide the body and flee to the UK.

Jurors heard how in footage Jutting, who earned £340,000 a year, described watching extremely violent porn and turning his fantasies into reality.

15 A group of protesters gathered outside the court demanding justice for the victims Credit: Getty Images

15 The demonstrators, from Indonesian migrant worker organisations, called for compensation for the victims' families Credit: Getty Images

15 Jutting is accused of torturing one of his victims for three days before killing her Credit: Getty Images

Mr Reading said: “He talked about having raped Miss Ningsih.”

Jutting picked up second victim Seneng in a bar.

Mr Reading said that before meeting Seneng, Jutting bought £490 worth of sex toys and tools including a blowtorch.

15 Jutting's legal team arrive at court today ahead of what is expected to be a three-week trial Credit: Getty Images

15 An armed officer gestures for the crowd to move back to make way for a bus carrying the former banker to court Credit: AP:Associated Press

15 Jutting admitted killing the two women but denies murder on the grounds of diminished responsibility (File photo) Credit: Getty Images

Mr Reading said Jutting had left two knives under cushions on his sofa and also made a gag out of rope and a condom.

He said Jutting and Seneng returned to his flat and kissed and cuddled.

Mr Reading added: “Miss Mujiasih apparently saw the gag and began to shout at the accused.”

Jutting cut her throat in a struggle that followed.

After the killing. Jutting took cocaine and, in a later police interview, said he had been hallucinating.

He made a rambling emergency call, saying he was “surrounded by police and special forces”.

He told two cops who arrived at his flat: “If I have to go to jail I will do so in the UK.”

Officers then noticed a pool of blood and Seneng’s legs poking out from under a quilt on the floor.

Sumarti’s body was found eight hours later after an officer noticed a strong smell from the balcony. The trial continues.

Rise & fall of lad who had it all... PRIVILEGED Rurik Jutting grew up in a Grade II-listed mansion called Foxwarren.

It was the inspiration for Toad Hall in classic kids book The Wind in The Willows. He went to a prep school near his Surrey home, and Winchester College, where fees are £34,000 a year. Jutting studied history at Peterhouse College, Cambridge. After leaving university, Rutting worked with Barclays before switching to Bank of America Merrill Lynch in 2010. He moved to Hong Kong in 2013 and became a regular in the expat pubs and girlie bars of the Wan Chai area. He would also fly to the Philippines at weekends and visit Angeles City, dubbed “Sin City”. For six months he had a regular girlfriend, a club hostess. But she ended things in summer 2014, after which his behaviour grew increasingly odd. Months later, he would call cops to his flat . . .