this is bbc news. i'm reeta chakrabarti. the headlines at 11: closer military and security co—operation between france and the uk. the prime minister and president macron sign a new treaty on border security. we will reinforce the security infrastructure with extra cctv, fencing, an infrared technology at calais and other border points. the treaty also agrees to speed up the processing of migrants at calais. translation: i think this treaty will very much enable us both to have a more human approach for these people. the uk is in the grip of the worst outbreak of flu for seven years, say health officials. patient safety in wales is being put at risk because of cuts in services — a group of doctors claim in a letter to the first minister. prince harry and megan markel make their first official visit to wales. hundreds turn out at cardiff castle to see the royal couple, who were delayed an hour by a late running train.

and on newsnight: is out sourcing too broken to fix? i'll be asking the chief executive of a carillion rival, and for the first time on camera, woody allen's adopted daughter alleges he sexually abused her when she was seven. we speak to a writer who has examined allen's very personal archive. good evening and welcome to bbc news. the uk and france have tonight agreed to closer ties on defence and security, and measures to tackle the migrant crisis. the deal was struck between theresa may and emmanuel macron, who was making his first visit to the uk since becoming president of france last year.

the talks took place at the royal military academy, sandhurst. mrs may committed tens of millions of pounds to strengthen uk border controls in france. the sandhurst treaty will also accelerate the processing of migrants trying to come to the uk through calais. and while both countries committed to closer military cooperation, mr macron warned that if britain wanted access to the single market after brexit then it would have to play by the eu's rules. our deputy political editor john pienaar reports. nothing like a bit of pomp and ceremony to get a big meeting started. monsieur macron and mrs may won't be eu partners much longer, so they are now keener than ever to keep in step where they can, to stay in tune. france is a key ally. brexit is coming and the prime minister is treading a delicate line.