Emmanuel Macron says in an interview with Channel 4 News that, in the event of Brexit, he will be "tough on the British Government.” Subscribe for more exclusive interviews: http://bit.ly/LtASif.

In his first UK television interview since he came to the fore, Emmanuel Macron says that, if Britain leaves the EU, we can be certain he won’t soften. He also believes that Marine Le Pen would "kill" the EU if she was elected.