The authors of the letter, after which staff from several Irish media outlets were evacuated, warned of a "new wave of attacks" being prepared, the Financial Times reported. The text states that this week's events are "only a small part of what awaits Europe in the near future." The authors of the letter threatened attacks on airplanes, cruise ships, subway stations and trains. Also, the Irish TV channel RTE noted that the subject of the letter read: "Message to the West".

The authors of the letter, after which staff from several Irish media outlets were evacuated, warned of a "new wave of attacks" being prepared, the Financial Times reported. The text states that this week's events are "only a small part of what awaits Europe in the near future." The authors of the letter threatened attacks on airplanes, cruise ships, subway stations and trains. Also, the Irish TV channel RTE noted that the subject of the letter read: "Message to the West".