Actress Rose McGowan has accused a Hollywood studio head of rape on Twitter.

The Charmed and Planet Terror star made the claims online using the hashtag #whywomendontreport.

It had been trending after a number of accusations against Donald Trump emerged this week.

Rose did not name the man but says that the attack is an "open secret" in Hollywood.

During a number of tweets, Rose says she has sought legal advice over the assault but was told she could not win her case.

She says a female lawyer told her that having performed sex scenes in her movies would count against her in court.

Earlier this week an anti-Trump video, starring Rose, was premiered online.

Lady Gaga also spoke in support of the hashtag, having previously revealed how she was raped by a music producer when she was a teenager.

She says that reading tweets from rape surivors was like "re-living it all over again."

Following her tweets, Rose McGowan posted this inspirational message on her Instagram.

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