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A drug addict who killed an aspiring child actor and his aunt during a police chase has been jailed.

Joshua Dobby, 23, was out of jail on licence when he knocked over Makayah McDermott, 10, and Rozanne Cooper, 34, in Penge, south London, last August.

Dobby had previously denied manslaughter but changed his plea last month at the Old Bailey.

He was jailed for 12 years for two counts of manslaughter with a further three to serve on licence.

Dobby, of no fixed address, was being pursued by police as he drove a stolen black Ford Focus at three times the speed limit down one-way roads and through red lights, before losing control.

The court heard he hit a bollard before ploughing into Makayah and Ms Cooper, and three other members of the family, two aged 13 and one aged eight.

After the fatal crash, he jumped out of the car and stepped over one of the other children, who had suffered serious injuries, and ran from the scene.

At the time, on 31 August, the family had been on their way to get ice creams and play on the swings in a park, the court heard.

Following the hearing, they said said they were “disappointed” in the length of Dobby’s sentence.

‘No attempt to swerve’

In a statement, they said: “We came here today to see justice done and in the hope that Joshua Dobby would show remorse and sorry for killing our beautiful Rosie and our wonderful Makayah. But he has shown none.”

Earlier, Makayah’s grandfather accused the killer of treating the lives of his family as “worthless” and “expendable”, as he tried to evade police.

In a pre-sentence statement, Martin Cooper told how he watched helplessly as Dobby lost control and drove the car at his family.

“I watched as the driver of the car made no attempt to stop or apply the brakes and no attempt to swerve,” he said.

Giving evidence, Dobby admitted he had been coming down from smoking crack cocaine and heroin when he killed Ms Cooper and Makayah,

He was on his way to sell the stolen car for £300 to buy more drugs at the time of the crash , the court heard.

The defendant had 53 previous convictions dating back to the age of 13, including a conviction for aggravated vehicle taking, having crashed a car into railings with police in pursuit aged 16.

Just five days before the crash police had abandoned a pursuit of the same Focus because it was too dangerous, the court heard.

Mitigating, Tyrone Smith QC told how Dobby had a “fractured upbringing”, estranged from his father with time in care and a “principal family member” who was also an addict.

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