A lorry passes a poster by calling for "No Border" between Ireland and Northern Ireland, in a post Brexit United the anti-brexit campaign group "Border communities against Brexit" in Jonesborough, Northern Ireland on March 25, 2019, as it crosses the border between Ireland and Northern Ireland.  Keeping the Irish border free-flowing has proved to be the toughest issue to resolve in negotiating Britain's exit from the European Union. The Brexit deal between London and Brussels -- overwhelmingly rejected last week by British MPs -- contains a so-called backstop provision ensuring that if all else fails, the border will remain open. / AFP / PAUL FAITH
Poster calling for "No Border" between Ireland and Northern Ireland. Technology alone is not the solution, Karen Wheeler says. AFP

Impact of Brexit is higher tariffs, vehicle checks and shortages of medicine