The French National Front party leader Marine Le Pen said declared that France had more reasons to leave the EU than UK, Express reports.
"I would vote for Brexit, even if I think that France has a thousand more reasons to leave than the UK. Because we have the euro and Schengen. Whatever the result, it shows the EU is decaying, that there are cracks everywhere."
Her vow is likely to heighten fears a Brexit could lead to the entire break-up of Europe.