Finland is considering closing some of the four remaining crossing points on its frontier with Russia or even the whole border if a flow of asylum seekers from its neighbour continues, Finnish Foreign Minister Elina Valtonen told Reuters on Wednesday. In November, more than 600 people without valid travel documents to the European Union have come to Finland via Russia, prompting Helsinki to shut several crossings and accuse Moscow of funnelling migrants. "We have already taken measures to close