Horan is referring to the U.K. electorate’s majority decision to vote in favor of the Brexit plan. This means the United Kingdom is destined to withdraw from the 28-state European Union, which was assembled after World War II to foster trade and unity amongst its members.
Britain Votes to Exit European Union: Musicians and Celebs React
He went on to harshly criticize Nigel Farage, leader of the U.K. Independence Party.
To Brexit, or Not to Brexit: For the British Music Industry, There's Little Question
British Prime Minister David Cameron is likely to step down as part of the shift, which has music industry complications ranging from touring to record sales and copyright legislation. For more artist responses, see what Ellie Goulding, Lily Allen and more had to say about Brexit.