A 25-year-old model has sued US comedian Bill Cosby, alleging he sexually assaulted her at the Playboy Mansion in Los Angeles in 2008.<br />More than 50 women have come forward publicly over the past year with allegations including drugging, sexual harassment, sexual assault and rape - all of which Mr Cosby denies.<br />In most cases, the alleged incidents date back decades, meaning they fall outside the time limit for legal action.<br />But Ms Goins' allegations do fall within California's statute of limitations, and prosecutors are also now reviewing the evidence for possible criminal charges.<br />The model told reporters: "Today I recognise that I've taken legal action that many of the other victims of Bill Cosby will never be able to take.