Garda security services are conducting three risk assessments regarding the imminent return of Irish Islamic State supporter Lisa Smith.

Garda security services have seized almost 160kg of explosives and arrested more than 90 people in operations targeting dissident republicans in the last four years.

Garda security services are consulting with London police on an Islamist terrorism investigation after the arrest of an Algerian man in Dublin in relation to fraudulent identification documents.

Any Irish fighters returning from Syria and Iraq must be included in de-radicalisation programmes here, a leading Muslim cleric has said.