Adding to the party's woes, Mr Sarkozy, who has stayed out of the dispute in public, was questioned for 12 hours on Thursday by an examining magistrate over alleged illegal party donations during his 2007 presidential campaign.
"I think it would be foolish for any party that has suffered disappointing results not to look at itself ...and look at how it can improve, " she said, adding that the party must extend its appeal to all parts of Wales.