Locals accuse government of indifference.
Investigation suggests that large numbers of children are being sexually assaulted.
With little oversight, some religious leaders said to exploit their positions.
Investigation reveals that many women and girls never inform the authorities.
Campaigners say court has improved its record on prosecuting gender-based violence but obstacles to justice remain.
The high burden of proof makes it almost impossible for them to win their cases. By Tajeldin Abdhalla Adam, Assadig Musa, Simon Jennings and Katy Glassborow in Hilversum
IWPR article on harrowing sexual assault on 12-year-old prompts police sackings.