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With the Brexit, it's a plausible scenari.
And it's even more realist that UK government might canalize xenophobia against muslims and pakistanis too eastern european.
Anyway too answear OP question. No the only one who want to deport gypsy are far right organizations and none hold political power in any countries of europe.
It's more possible that gypsy will face some attack in Bulgaria or Romania and police cloose their eyes in the events.
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