dublin irish prime minister leo varadkar say would prefer hold referendum ease country abortion laws next may june order maximize number students vote government promise last week hold referendum may june loosen strict abortion laws world decide come months exactly question put irish people many irish students spend summer months travel work overseas pro-choice activists warn hold vote june would effectively mean disenfranchise thousands young voters much preference referendum hold may rather june maximize number people take part varadkar tell parliament make sense meet student group say abortion remain divisive issue stridently catholic ireland complete ban procedure lift 2013 allow terminations case mother life danger tens thousands people march dublin saturday demand liberal regime close england allow terminations carry 24 weeks conception thousands irish women travel england abortions year anti-abortion supporters demand change law opinion poll show large majority voters want change irish pm prefer may abortion referendum maximize student vote