Prosecutors in Los Angeles have declined to charge comedian Bill Cosby for two alleged sex assault cases, one from 1965 and one from 2008.

In the more recent case, involving a 25-year-old model, a district attorney said there was insufficient evidence to prove guilt beyond a reasonable doubt.

For the older case, prosecutors said the statute of limitations had expired.

Mr Cosby, 78, was charged in a sex assault case last week in Pennsylvania. He has denied the claims.

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