REPUBLIKA.CO.ID, ROME - The creativity of Italians in parking their cars and scooters - on traffic islands, the pavement or simply in the middle of the street - knows few limits. But now police in the capital Rome have enlisted the power of social media to help them get to grips with the endemic problem.

Citizens who spot illegally parked cars can alert a dedicated police Twitter account, @PLRomaCapitale. The police then reply to say when they have taken action -typically in a matter of hours. The new head of the urban police force Raffaele Clemente says that the initiative aims to create a cultural shift.

"Sharing, such as on social networks, is needed to fight certain patterns of illegality and rule-breaking, and also of crime," he said.

Congestion is a serious problem in the capital. In the past, authorities have been forced to limit car access when pollution caused by exhaust fumes reached potentially dangerous levels.