North faces Brexit security challenge, warns UK terrorism watchdog

"By virtue of sheer numbers, loyalist paramilitaries have the capacity to cause significant disruption to everyday life in Northern Ireland," the report said. File Picture.

Northern Ireland faces a “very challenging security situation” post Brexit, with threats from both republican and loyalist groups, the UK’s watchdog on terrorism powers has said.

In his latest report, the Independent Reviewer of Terrorism Legislation said the PSNI and security officials were “extremely sensitive” to the potential fallout from EU exit.