Prosecutors in Pennsylvania say they have filed criminal charges against comedian Bill Cosby for the alleged drugging and sexual assault of a woman in 2004. Montgomery County Assistant District Attorney Kevin Steele says the charges stem from a sexual assault that took place at Cosby's home.

The 78-year-old Cosby has been charged with felony aggravated indecent assault and he'll be arraigned this afternoon.

During a news conference, Steele said the charges were filed as a result of new information that came to light in July.

He said evidence from a civil case shows Cosby had a relationship with the woman who worked for Temple University's basketball program.

Steele during the night of the incident, Cosby urged the woman to take pills and wine that he provided.

Steele said after taking the pills, the woman was unable to move.

He alleged that's when Cosby sexually assaulted the woman.

Today's criminal charges against Cosby come after dozens of women have accused him of assault.

Cosby has maintained his innocence throughout.

Steele acknowledged there are additional alleged victims and more evidence is being examined.

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