Poroshenko says the Minsk peace plan may fail due to militant activity / Photo from UNIAN

"The intensification of hostilities by the Russian Federation and Russian-backed terrorist gangs along a considerable stretch of the front endangers the Minsk agreements we have pinned and continue to pin all our hopes on in the restoration of a peaceful life in Donbas," the president said during a meeting with activists of Donetsk region on Thursday, an UNIAN correspondent reported.