More than 300 young people in Oxfordshire were groomed, raped and sometimes forced into 'sex slavery' by gangs over the last 15 years, a damning report will reveal tomorrow.

In a scandal startlingly similar to the one in Rotherham, police and social services will be criticised for failing to protect vulnerable children from sexual abuse.

One gang of Asian men was responsible for abusing and enslaving 50 girls, mainly from Oxford, but the men were also able to sexually torture girls as young as 11 for eight years after a series of missed opportunities to stop them.

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Abuse: More than 300 young people, mainly from Oxford, pictured, were groomed, raped and sometimes forced into 'sex slavery' by gangs over the last 15 years, a damning report will reveal tomorrow

Tomorrow the county's safeguarding children's board will publish a review into 15 years of child exploitation, which will be 'brutal' in its condemnation of the authorities.

The victims, who were mainly girls under the age of 16 in the care system, were targeted by men from mainly Asian gangs who raped, tortured and trafficked them for sex between 1999 and 2014.

Some were abused for up to eight years despite asking for help from the authorities, who instead refused to believe them or blamed them.

Their abusers fed them drink and drugs before taking them to graveyards, a B&B and flats rented just for the rape and torture of children.

According to the Guardian, one 12-year-old girl was taken to a Reading house for a backstreet abortion during a six-year period where she was passed between groups of men who raped her in what she called 'torture sex'.

The plight of the victims was laid bare in 2013 when seven members of a sadistic gang were jailed for a total of 95 years for their 'depraved' and 'evil' abuse of vulnerable girls.

Five gang members were given life sentences and two others were jailed for seven years for 'crimes of the utmost gravity'.

The paedophile network groomed more than 50 vulnerable girls in Oxford between 2004 and 2012 with gifts, alcohol and drugs before subjecting them to extreme physical and sexual violence.

They used knives, meat cleavers and baseball bats to inflict severe pain on the girls for their twisted pleasure.

But a catalogue of opportunities to stop the abuse was missed as early as May 2005.

Jailed: Brothers Akhtar Dogar (left) and Anjum Dogar (right) were each given a life sentence with a minimum of 17 years at the Old Bailey in 2013 for their role in the Oxford abuse

Abusers: Mohammed Karrar (left), 38, was given life with a minimum of 20 years for the 'dreadful offences' he committed against the girls. His brother Bassam Karrar (right), 34, was also handed a life sentence with a minimum of 15 years

Attackers: Kamar Jamil (left), 27, was jailed for life with a minimum term of 12 years while Assad Hussain (right) , 32, was sentenced to seven years in prison

On numerous occasions girls told police officers, social workers and care staff in children's homes how they were raped or seriously sexually abused – but no charges were brought against the gang.

Three of the girls who gave evidence at the trial were reported missing from residential care on 254 occasions.

Paedophile: Zeeshan Ahmed, 28, was jailed for seven years for two counts of sexual activity with a child

And the judge in the case, Judge Peter Rook, said 'police and social services missed tell-tale signs' about the abuse that was taking place.

One social worker had earlier told the trial that 'nine out of ten' people who were meant to be caring for the girls 'knew what was going on'.

Life sentences were handed to Akhtar Dogar, 32, and his brother Anjum, 31, who were both jailed for a minimum of 17 years, Mohammed Karrar, 38, who will serve a minimum of 20 years, his brother Bassam, 33, jailed for a minimum of 15 years and Kamar Jamil, 27, jailed for a minimum of 12 years. Assad Hussain, 32, and Zeeshan Ahmed, 27, were jailed for seven years.

The latest serious case review came weeks after true scale of abuse in Rotherham was revealed, where at least 1,400 girls fell into the clutches of paedophiles, mainly from Pakistani backgrounds.

Whistleblowers who tried to raise concerns lost their jobs, and police officers often did not seem to believe the girls, their families or those who reported problems, and did not treat them as victims.

One former police officer said: 'They were running scared of the race issue… there is no doubt that in Rotherham, this has been a problem with Pakistani men for years and years. People were scared of being called racist.'