IRNA � Iran president Hassan Rouhani called for finding the roots of the recent incidents which happened in the Iranian cities, Chief of staff of Iran's President Mahmoud Vaezi said.

�President Rouhani emphasized on preserving peace and tranquility in the country,� Vaezi said.

He also appreciated interior ministry, police and all those who tried to behave calmly.

�Despite the fact that president Rouhani had said the people are our supporters some people provoke riot in cities, depreciate sanctities and fire public places,� he said.

Commenting on US President Donald Trump�s position, Vaezi said �fortunately Iranian government, president and people reacted quickly since US animosity towards the Iranian people was proved to us 40 years ago.�

A number of the Iranian cities were the scenes of unrests in recent days. The protests against rising prices and economic situation turned into sporadic violence in some places.