Ian McLoughlin, 55, today pleaded guilty at the Old Bailey to the murder of Graham Buck, who was stabbed when he went to the aid of his convicted paedophile neighbour during a robbery.
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Rurik Jutting is accused of killing Sumarti Ningsih and Seneng Mujiasih, whose bodies were found in his apartment.
The Baby singer threw his microphone on the floor and told the crowd: "Obviously Manchester can't handle me."
The Birmingham singer's dream ended when she lost out to girl group Four of Diamonds in Sunday's sing-off.