![Sinn Fein's Michelle O'Neill has held talks with the UK's Northern Ireland Secretary Brandon Lewis. AFP](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/MOA7U2AU5E5N5VEPG7JH4ZZOUQ.jpg?smart=true&auth=bc869370e1b3a9555a65bfef6c75ada4701fa03145d04c006abf56813c7f005b&width=400&height=225)
Sinn Fein's Michelle O'Neill has held talks with the UK's Northern Ireland Secretary Brandon Lewis. AFP
Sinn Fein's Michelle O'Neill has held talks with the UK's Northern Ireland Secretary Brandon Lewis. AFP
Sinn Fein warns 'no excuses' should prevent formation of Northern Ireland executive
Party chief insists leaders must work together to form an assembly