Naomi Campbell speaks up for Kate Moss

Naomi Campbell has expressed support for Kate Moss in the face of cocaine abuse allegations as she joined a United Nations campaign to prevent girls from being tricked into sex slavery.

"Kate Moss is my friend ... I think it's like everybody is being bad to her," Campbell said.

Meanwhile, Moss's modelling agency, Storm, has said it will stand by the model, and has spoken out in her defence. Moss is due to start rehab.