Talks to secure a trade deal between the uk and the European Union are resuming later on monday. They broke up last night with the trickiest areas of disagreement like fishing richts, Competition Rules and enforcement of the deal remaining unresolved. If theres going to be a deal, it needs to be done by december 31st. Our Political Correspondent chris mason reports. Last night in brussels, the lights on, the talks ongoing. Huge amount at stake. It is serious. Its at 50 50 right now and i dont think one can be optimistic about resolution emerging. Speaking to some of the key principles here, this isa the key principles here, this is a very challenging issue to resolve, and particularly around the level playing field. There are three main sticking point, the so called level playing field, how any deal is enforced and fishing rights. Eu sources suggest a deal on fish is close. The british sources say it isnt. It seems the two sides cant even agree on what they disagree on. After todays ne