A serious case review into child sexual exploitation in Rochdale is to published this morning.
Greater Manchester Police is expected to admit to failing to properly protect six girls, who were groomed and abused between 2007 and 2010.
Nine men were sentenced to up to 19 years in jail last year after being convicted over the case.
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The US president is seeking an investigation by the Justice Department.
The casualty was taken into the care of paramedics with a suspected leg injury.
The 16-year-old was discovered with stab wounds on Thursday afternoon.