Ask who started it, and each side will blame the other.
Yesterday, each side blamed the other for the negative tone.
It is not surprising that each side blames the other.
Each side blames the other for starting the new assault.
The two sides blamed each other for the increasing violence.
Both sides blame the other for the breakdown in the agreement.
The two sides blame other for the defects in this system.
Each side blamed the other and said the number of dead was high.
Besides, this is the only way we can be sure each side will blame the other, not our people.
Each side blamed the other for the breakdown in talks.