text: NATO cautious welcome for Ukraine ceasefire | Euronews
  "I would welcome of course if the new announcement of a ceasefire represents a sincere attempt to stop the violence and initiate a constructive political process," said NATO Secretary General Anders Fogh Rasmussen.
  President Obama also welcomed the ceasefire agreement but stressed that in his view, Russia was forced into it.
  "The only reason that we are seeing the ceasefire at this moment is because of both the sanctions that have already been applied, and the threat of further sanctions which are having a real impact on the Russian economy and have isolated Russia in a way that we have not seen in a very long time."
  Our correspondent at the summit says that NATO sees itself has having been given a new reason for existing in the face of the perceived aggression of Russia in Ukraine, and the recent rise of Islamic State