US prosecutors can proceed with a sexual assault charge against comedian Bill Cosby, a judge has ruled.

Mr Cosby is accused of drugging and fondling a former Temple University employee in 2004.

On Wednesday, a judge in Pennsylvania rejected arguments made by his lawyers that a previous ruling in 2005 made him immune from prosecution.

Dozens of women have said the actor assaulted them but the former TV star says the encounters were consensual.

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