The sexual offences committed against the teenagers have been described "as extreme in their depravity." The jury at the Old Bailey was told that the offences would make them feel extremely uncomfortable and they would have to "steel themselves" to hear the evidence.
The court was given a brief introduction to all the victims - aged between 11 and 15 when it's alleged that they were being abused by the defendants. The girls cannot be named because of their age and the nature of the abuse.
More top news
Striking rail workers and engineering works are set to cause a headache for many Britons travelling over the bank holiday weekend.
An eight-year-old boy has been caught on camera going for a joyride with two other young children in the car.
The law should be changed to allow assisted dying, the country's former top lawyer has said.