What did Donald Trump say?
He said he supported Irish unification and believed it would eventually happen.
Where did he make the remarks?
During his visit to Ireland, including a joint press conference with Micheál Martin in Dublin.
Can Trump call or decide a referendum?
No. The constitutional future of Northern Ireland is governed by the Good Friday Agreement and the wishes of its people.
What was the UK government’s position?
It said there was currently insufficient support to trigger a referendum.
How did politicians respond?
Irish nationalists welcomed the remarks, while Conservatives and Northern Irish unionists condemned them.
What is the referendum position?
The reported UK position is that there is not currently sufficient public support to trigger one.
What did Gavin Robinson say?
He said Northern Ireland’s constitutional future should be decided by its people, not outside commentators.
Does this represent formal US policy?
The available material does not establish that it does.