Taoiseach says 'too little' done to build understanding on island of Ireland

Taoiseach Micheal Martin is to speak at a commemoration event for Sean Lemass (Brian Lawless/PA)

The Taoiseach is to say that too little has been done to build understanding and co-operation between Northern Ireland and the Republic since the Good Friday Agreement.

Micheál Martin will also state in a speech on Sunday that the only route to Irish unity is “through everyone taking personal responsibility for challenging themselves and being open to change”.