CNN 's Maxim Tkachenko contributed to this report . Ireland 's ` ` unfriendly . '' ' ` ` not go unanswered , '' a deputy commissioner says . Ireland says a probe found Russian intelligence services forged passports . Ireland calls the incident ` ` disturbing '' The investigation was launched after Russian passports were discovered in the United Kingdom .
Ireland 's ` ` unfriendly . '' ' ` ` not go unanswered , '' a deputy commissioner says . Ireland says a probe found Russian intelligence services forged passports . Ireland calls the incident ` ` disturbing '' The investigation was launched after Russian passports were discovered in the United Kingdom .