Jo Swinson, Minister for Women and Equalities, has said that she was aware of misconduct allegations against Lord Rennard after women previously confided in her.
In a statement,she said: "I took action and ensured that others took action. I told the women who had confided in me what I had done to try to put a stop to any inappropriate behaviour, and encouraged them to let me know if they became aware of any further incidents."
Ms Swinson also said she welcomed the review into how the party responded to this situation so that "lessons can be learned".
"It is important that a proper process is followed and I look forward to the opportunity to contribute to the review", she added.
More top news
The dad of Luke Jenkins, who died at Bristol Royal Hospital's children's cardiac unit labelled an NHS England review a 'tick-box exercise'.
Conservative heavyweights Boris Johnson and Theresa May are to launch their leadership bids on Thursday.
Michael Sandford, from Surrey, is accused of trying to grab a police officer's gun while asking Donald Trump for his autograph at a rally.