Northern Ireland police chief urges calm amid post-Brexit tensions

Febrile' atmosphere in region after supplies of goods from Britain disrupted

The Police Service of Northern Ireland's chief constable has urged people to step back from the brink of violence amid rising tensions over disruption to supplies of goods and food from Britain to the region since Brexit.

Simon Byrne warned of a febrile" atmosphere after 26 graffiti incidents were detected across Northern Ireland, and EU and local officials were withdrawn from Brexit check duties at ports in Belfast and Larne following threats.