All the agreements on the conflict settlement in Donbas reached in Minsk, are transparent. This was stated during an interview to Ukrainian TV channels by the President of Ukraine Petro Poroshenko.
"All the agreements of Minsk are transparent. Secret agreements are not peculiar to European politics." - Poroshenko said.
He said that secret agreements are possible only in Russia, but all the agreements that were reached in Minsk, were made public.
Also Petro Poroshenko told about details of the meeting in Normandy format, which was held in Berlin.
According to him, he indeed ask Russian President Vladimir Putin to stop shooting, but clarified that he never raises his voice.
Note that media reported that Poroshenko during negotiations raised his voice at Putin, demanding to stop the fire in Donbas.