Kerry TD wants explanation on why Ireland's terror threat has been raised

A Kerry TD is seeking an explanation as to why Ireland's terror threat level has been raised.

The Garda Commissioner has reportedly advised the Justice Minister he's raised it from 'moderate' to 'substantial' due to violent political extremists.

Taoiseach Simon Harris says Ireland is not immune to domestic or international terrorism.

Sinn Féin's Justice Spokesperson, Pa Daly, says the decision raises more questions: