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Head of the Police Service of Northern Ireland, Simon Byrne, spoke to ÃÛÑ¿´«Ã½ Newsnight after Prime Minister Boris Johnson secured agreement with the EU.

The proposed plan would see new checks on goods coming in to Northern Ireland from the rest of the UK.

The consequences were partly about identity and practicalities, he said.

Some unionists have concerns that the proposed Brexit plan, which essentially draws a new customs border in the Irish Sea, results in NI being treated differently than the UK's other regions.