Fianna Fáil leader Micheál Martin outside Leinster House this week. Cork South West’s Margaret Murphy O’Mahony downplayed suggestions of rival groupings emerging but said the “mixed views” had to be heard. Photograph:  Gareth Chaney Collins

Fianna Fáil TDs who are against changing Ireland’s abortion laws are demanding that their voices be heard in the referendum campaign as divisions open(...)