Ukraine to Pull Back Artillery on Easing Tensions

The video discusses the ongoing conflict in Ukraine between the military and Pro Russian rebels. Ukraine's army plans to move heavy artillery to a buffer zone to maintain a ceasefire. President Petro Poroshenko notes a reduction in casualties since the truce began on September 5th. He also mentions that independent groups, not linked to militants or Russia, are mainly responsible for recent attacks.

What was said about the level of casualties compared to before the truce?

Who was responsible for the attacks according to the text?