"Enda Kenny, the Irish prime minister, said on Sunday (18 July) that Northern Ireland could vote to become part of a united Ireland if they want to stay in the European Union. But the topic
“Enda Kenny, the Irish prime minister, said on Sunday (18 July) that Northern Ireland could vote to become part of a united Ireland if they want to stay in the European Union. But the topic is highly divisive.”
See the article: Referendum on Irish reunification is a ‘possibility’ after Brexit (euractiv, link)