Gardaí investigating dissidents seize ammunition and mortar tube in Louth

Gardaí are believed to have found what could be weapons, possibly belonging to dissident republicans, in what is being described as a "significant" operation.

Update: Gardaí have seized "a substantial quantity of ammunition" and a mortar tube in an operation investigating dissident Republican groups in Co Louth.

Officers started the search this morning near Omeath on the Cooley peninsula.