Not a good way to make friends. There is nothing a country hates more than another country challenging its sovereignty. Just as bad is using the false passports of another country, it causes problems for legitimate travelers from those countries. I can't imagine Britain, France, Germany, or Ireland being too happy about this.
Poland's central bank head calls story of Nazi train find a hoax (Reuters)
from the article: Ireland confirms 'Irish' Dubai killers don't exist