Prof Valsamis Mitsilegas tells NI committee that the agreement on JHA is dynamic, as EU values UK inputs, and EU law will evolve over time, and value of system to UK will mean adaptation

EU views PMs letter accompanying his formal #Brexit extension request - saying that he doesn’t actually want an extension- as a gimmick aimed at a domestic audience. As far as EU law is concerned: a formal request from the UK prime minister, is a formal request full stop /1

EU leaders not rushing to make decisions. Instead they watch events in Westminster carefully. If their newly negotiated #Brexit deal is approved by the majority of MPs - as the PM promised them it would be - then possibly no extension will be needed OR /2

Only a short one maybe to allow for necessary legislation to be completed. If this is the case, EU leaders won’t think twice about granting this short extension. They may even approve it by writing rather than on person at an emergency #Brexit summit. Spoiler alert../3

EU leaders - who surprise, surprise already have a thing or two planned in their diaries over next couple of weeks - have zero appetite to return to Brussels again especially for #Brexit They have no desire to be involved in the drama playing out right now in the UK BUT /4

If MPs reject the deal, if there are plans for a general election or a referendum on the deal then a longer extension will be necessary. Here it is harder for EU leaders to come to immediate consensus so an emergency summit becomes likely /5

It's been another torrid week at the border - inundated customs agents, goods stuck for days, companies buckling under the paperwork 1/ https://t.co/2A301guhB6 w/ @lizzzburden

Take Branimir Vuckovic, 45, who runs goods between the U.K. and EU. He spent this week stuck in Kent because he couldn't find a customs broker to do his Brexit paperwork. Even with traffic levels below normal, the system is being overwhelmed 2/

The government has admitted this problem itself. On a Q&A with businesses on Thursday, Heather Jones from the Border Delivery Group said: `We are starting to realize that customs agents’ capacity and capability is being extremely stretched' 3/ 🚨

Eddie Maybank, an independent customs broker, says he's been having a breakdown. He's forwarding inbound queries on to other agents in Dover, but they've told him to stop. `I’m inundated, and so is everyone else,' he said 4/

UK-Ireland trade has been badly affected, particularly food shipments. Stephen McAneney of Allied Fleet Services in NI said he saw consignments of potatoes, apples and cream being destroyed at ports because they lacked the right documents 5/

1/7 My thoughts on what could happen within a decade after #Brexit with the formation of the #UnitedCelticNation as a new country:

2/7 After the #Brexit transition period ends on 31 Dec 2020, the Scottish Parliament will announce a new independent referendum (under a Section 30 order which the PM has to agree to - he won't - they will change their laws to enable them not to need his approval).

3/7 This new Scottish independent referendum will happen within the first 6/9 months of 2021 and result in the decision to leave the UK.

4/7 An application to rejoin the EU will happen immediately after the Scottish referendum result and within months the EU will accept Scotland back in (justified as 'the will of the people' plus how recent their exit was).

5/7 Within 3-5 years of #Brexit, Wales will also hold its own referendum on independence (fuelled by the decline in economy plus the example set by Scotland) and will also be successful. EU membership will also be sought and gained with an accelerated timescale within a year.

1/ Brexit politics is built on fear. Frightened people tend to seek security in the tribe. Once that tribe might have been the Labour movement, but now in a fragmented post-industrial society it is the nation. Tribal identification is emotional, not rational.

2/ A tribe that feels under threat wants to control its borders, and who enters into its territory. It demands loyalty and solidarity, and its prime virtue is self-sacrifice - economic arguments won't persuade tribalists. Its members want to feel it is strong and powerful.

3/ Tribalism at a time of crisis is intolerant of dissent. The tribe must pull together against its enemies. Dissent and questioning cause division and disrupt the collective effort. Criticism is seen as treason. The Brexit right have ruthlessly exploited tribal psychology.

4/ To understand Brexit politics it is necessary to understand that the working and middle classes are dead as coherent political forces and that frightened and insecure people are now clinging to the only available powerful tribe, the nation-tribe.

5/ The Brexit right understands and ruthlessly exploits basic social emotions. In contrast the centre and centre-left mostly can see no further than the blinkered logic of rational individualism, from which perspective everything else is irrational and incomprehensible.