Hate Crime allegation for American evangelists

It is a sign of things to come, perhaps. Two evangelists in Britain were prevented from handing out tracts of Scripture by a Muslim community police-officer. They were accused of a hate-crime for trying to convert Muslims to Christianity. the two evangelists were Americans. They are pressing the police authority for an apology and threatening to take the issue to court if one isn't forthcoming. See the full story, here.