Poroshenko called "a stab in the back" of collision at Rada in Kiev
The head of Ukraine Petro Poroshenko expressed with reference to the people in connection with the vote in Parliament on changes to the Constitution of the country, provoked numerous riots outside Parliament.

The head of Ukraine Petro Poroshenko expressed with reference to the people in connection with the vote in Parliament on changes to the Constitution of the country, provoked numerous riots outside Parliament.
Poroshenko called the collision " anti-Ukrainian campaign ".