The head of Ukraine Petro Poroshenko said that along the separation line in the Donbass must be organized from 10 to fifteen permanent positions OSCE in addition to mobile groups of observers. "We have ensured that significantly increased the number of inspectors OSCE SMM, and along the line of collision were placed from 10 to fifteen continuously operating monitoring stations of the OSCE in addition to mobile teams," said Poroshenko on the first day of the weekend in an interview to a TV channel. before in the conversation he said that last dialogues "channel four" has allowed some progress. A telephone conversation of Russian President Vladimir Putin, German Chancellor Angela Merkel, French President Francois Hollande and President of Ukraine Petro Poroshenko took place on Thursday evening.