WARSAW: The last toll from a bitterly cold spell across Europe increased to at least 39, officials said on Friday, while some of the worst floods in a century devastated parts of the Balkans.In many parts of Europe, train services continued to see heavy disruptions due to icy tracks, but air traffic was reverting to rule in many places.The Charles de Gaulle airport in Paris was again operating normally but many areas of France faced traffic problems due to the snow.