Europe is stretched to it limits and cannot take in any more migrants, according to the French Prime Minister.And in a veiled shot at German leader Angela Merkel, who said refugees were welcome in Europe, Manuel Valls said that it wasn't France that 'told them to come'.Europe is grappling with its worst refugee crisis since the Second World War with almost one million refugees expected to arrive by the end of the year.But in an interview with German newspaper Sueddeutsche Zeitung, Mr Valls said: 'We cannot accomodate any more refugees in Europe, that's not possible', adding that tighter external border...