Northern Ireland terrorism threat level rises to ‘severe’

MI5 increases level from ‘substantial’, meaning an attack is highly likely

• Politics live – latest updates

MI5 has increased the terrorism threat level in Northern Ireland from substantial to severe, meaning an attack is highly likely, the Northern Ireland secretary, Chris Heaton-Harris, has said.

Heaton-Harris cited a “small number” of individuals who remain determined to use “politically motivated violence”.