Back in the 70's an Irish Controller working at Maastricht spent 6 months in a Belgian Jail for telling the MPs to "Fark off" when instructed to stop photographing....he could have been out in a couple of hours but refused to grovel and insisted on his "Rights".
Ahhh yes...the myth of 'good old British Justice and Fair play'.
The Irish are especially familiar with its shortcomings.
Funny how you Brits get so upset when the tables are turned on you.
Welcome to the brutal truth. There is no right above the right of a sovereign state to treat bothersome foreigners as it so wishes.