The north's first minister Arlene Foster has accused the government here of trying to poach foreign direct investment from northern Ireland.
In her first speech to the DUP's annual conference as party leader, she also accused the republic of trying to talk down the north's economy.
Ms Foster said Brexit was Britain's biggest economic opportunity in decades.
She again indicated she's opposed to the return of a "hard border" when the UK leaves the EU.
But the north's first minister claimed the Irish government is trying to take advantage of the situation: