Teenage sex slave raped 90 times in one weekend despite authorities saying she wasn't at risk

Girl gave evidence to committee despite still being 'deeply traumatised'

CSJ report claims efforts to tackle slavery in a state of crisis

More than 1,000 adults and children trafficked into or within UK in 2011/12

PUBLISHED: 11:41 GMT, 10 March 2013 | UPDATED: 13:18 GMT, 10 March 2013

A teenage girl was raped 90 times in one weekend it has been revealed in a shocking report into modern-day slavery in the UK.

The report, due to be published tomorrow by the Centre for Social Justice, contains evidence from the girl, who was 16 at the time she was taken into slavery and raped by 90 men.

The girl, who gave evidence to the committee despite still being 'deeply traumatised' by the attacks, did not come from a background which put her at risk, but became enslaved after befriending girls vulnerable to abuse, it has been reported.

Andrew Wallis, chairman of the working group that produced the report, would only tell the committee the girl 'is now safe' when asked what had happened to her since the attacks, according to the Sunday Times.

The report claims efforts to tackle modern slavery in the UK, including the sexual exploitation of children, are in a state of crisis.

The CSJ, an independent think-tank set up by Iain Duncan Smith, has attacked the Government for its 'inadequate response' to the issue after the investigation uncovered a 'shocking underworld' of human trafficking.

Its study found more than 1,000 adults and children were trafficked into or within the UK in 2011/2012, but the figure could be 'only the tip of the iceberg'.

Among the cases were British and foreign victims who had been forced into the sex trade, a life of crime or domestic labour.

British girls trafficked within Britain for the sex trade made up nearly one half of all UK slavery victims in the latest set of figures.

Christian Guy, managing director of the CSJ, said: 'Our research has uncovered a shocking underworld in which children and adults, many of them UK citizens, have been forced into lives of utter degradation.

'Yet the authorities are either failing to understand the nature of this abuse or turning a blind eye to its existence. Our once great nation of abolitionists is a shameful shadow of its former self.'

The think-tank is campaigning for a radical overhaul of measures to combat 21st century slavery, including bringing all human trafficking and modern slavery offences together.