ITV News Europe Editor James Mates is at the press conference in Oxfordshire:
Inevitably it's left to a UK journalist to ask Hollande 'are you still having an affair with Julie Gayet, do you wish she was here?'
Hollande studiously ignores the question. Talks about European treaty change instead.
More top news
Nigel Farage warned on Friday Britain was "far less safe" and exposed to Cologne-style sex attacks because of open-door immigration.
Arthur Simpson-Kent, 48, admitted killing Ms Blake and their sons according to his lawyer.