This may be an incomplete list. If you think we're missing someone, please send us their Name, Country/State, Political Party, Office they hold or are seeking and, of course, Twitter handle. Thanks!
RT @DanielBoffey: Irish PM Varadkar: “The position as of today is we have no texts or draft texts to consider or get legal advice on. I am not entirely sure what MPs are looking at in London. We have no legal texts or draft legal texts to consider, propose amendments to, or seek legal advice on".