The head of Ukraine Petro Poroshenko tried to convince the unconditional implementation of the Minsk agreements on the release of prisoners on the principle " all for all ", informs on Tuesday a press-service of the President. "head Poroshenko tried to convince the unconditional implementation of the Minsk agreements on the release of prisoners on the principle" all for all ", as well as illegally held within the Russian Residents of Ukraine Hopes Savchenko, Oleg Sentsov, Alexander Kolchenko and other ", - is informed in the report of the press service after the meeting Poroshenko with the OSCE representative to the trilateral contact group Martin Sajdik. before the OSCE representative on Minsk talks Martin Sajdik said that the contact group on settling the situation in Ukraine agreed on a ceasefire on the contact line in Donbass from 1 September. The head of Ukraine Petro Poroshenko on Tuesday said that for the fifth day in the Donbass is not used artillery and mortars and not die Ukrainian Military. according to the SC of the Russian Federation, during the hostilities in the district of Lugansk in June 2014, Savchenko, knowing the coordinates of the location of the group of Russian correspondents VGTRK and other civilians, handed them over to the Ukrainian troops. In the end, artillery strikes two correspondents lost his life. Sentsov, By assumption of the investigation, created in Crimea terrorist Commonwealth, was a structural subdivision banned in Russia as extremist movement " Right sector ", for the release of the Peninsula from Russia. According to the SC, the defendants from April to may 2014 was set on fire in Simferopol offices of the public organization "Russian community of Crimea" and the local branch of the party " United Russia ". The defendants were also charged with the attempted organization may 9, 2014 the explosion of the monument to Lenin in Simferopol. The Ukrainian authorities in April last year began military action against the self-proclaimed LNR and DND. According to the summary data of the UN, the victims of the conflict began more than 6, 8 thousand people. The settlement of the situation in the Donbass is discussed as well as among them during the meeting in Minsk of the contact group, which since September of last year already took 3 of the document governing the steps to de-escalate the conflict.