The Swedish authorities should have thrown the other passengers off the plane (without refunds) and run the flight to Iran with just the deportee and guards on board:  http://www.independent.co.uk/news/world/europe/refugee-facing-deportation-from-sweden-saved-by-fellow-passengers-refusing-to-let-plane-leave-9259085.html

And if anyone becomes violent the police should use tasers.

We need to nip this sort of thing in the bud.