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Former X-Factor judge Tulisa Contostavlos has tweeted a message of thanks to her supporters after her trial for drugs allegations collapsed at Southwark Crown Court earlier today.
Thank you to everyone for your amazing messages of support today ? x
Tulisa Contostavlos said her life had been "ruined" for the last year by what she called "entrapment" from an undercover reporter working for the Sun.
Speaking outside Southwark Crown Court, the singer and former X Factor judge called on the police and the Sun's publishers, News UK, to look into Mazher Mahmood's conduct.
The judge in the case said there were "strong grounds" to believe Mahmood had "lied" and given "entirely inconsistent" evidence.
The judge in the Tulisa Contostavlos trial said evidence given by undercover reporter Mazher Mahmood was "entirely inconsistent".
Explaining his decision to throw out the trial, Alistair McCreath said the prosecution's case had become "tainted" by "serious misconduct".
Before the start of the trial, Contostavlos' lawyers had attempted to have the prosecution "stayed", meaning it would have been thrown out before beginning.
The court hear that there was a problem with evidence provided by a driver called Alan Smith, who originally said he had heart Contostavlos speaking disapprovingly about drugs when she was in his car.
He then "changed his mind", after a conversation with Mahmood, the court was told.
At a pre-trial hearing, Mahmood denied having had any conversation with Mr Smith about what Contostavlos had said.
But the judge said when asked about the same topic during the trial, Mahmood gave answers that were "entirely inconsistent".
The Sun has suspended undercover reporter Mazher Mahmood after the judge in the Tulisa Contostavlos drugs trial said there were "strong grounds" to believe he had "lied" at a pre-trial hearing.
A statement from the newspaper said: "We are very disappointed with this outcome, but do believe the original investigation was conducted within the bounds of the law and the industry's Code. This was demonstrated by the CPS decision to prosecute,
"The Sun, of course, takes the Judge's remarks very seriously. Mr Mahmood has been suspended pending an immediate internal investigation."
Tulisa Contostavlos has urged police to investigate undercover reporter Mazher Mahmood - known as the 'Fake Sheikh - and "put an end to his deceits".
She was speaking after her trial on drugs charges collapsed with the judge telling jurors there were "strong grounds to believe" that Mr Mahmood had "lied" at a pre-trial hearing.
Tulisa Contostavlos has thanked her fans and her lawyers following the "terrible ordeal" of her drugs trial.
She also said she was now looking forward to working again.
Speaking outside Southwark Crown Court after the trial collapsed, the former X Factor judge said: "I have not been able to work for a year and I'm now looking forward to resuming my career.
"I will use these experiences to make me stronger. I'd like to thank all the people who have supported me through this terrible ordeal, including my fans and, of course, my legal team."
The co-defendant in the the Tulisa Contostavlos trial has also walked free after the judge decided the case against him could not proceed.
Rapper Michael Coombs, whose stage name is Mike GLC, had pleaded guilty before the trial to supplying half a gram of cocaine to undercover reporter Mazher Mahmood.
On hearing the decision the 36-year-old reportedly wept and hugged his defence barrister, Jeremy Dein QC.
Tulisa Contostavlos punched the air with delight and hugged supporters after her trial was thrown out at Southwark Crown Court.
The former X Factor judge had been accused of brokering a cocaine deal with an undercover reporter, a charge she strongly denied throughout.
The judge threw out the case after deciding there were "strong grounds" to believe that the undercover reporter Mazher Mahmood had "lied" at a pre-trial hearing.