Local officials remain nervous about the possibility for further unrest.

They warned that the song could become a catalyst for public unrest.

The concern is for nuclear pollution and possible civil unrest across the boundary.

"We often speak of the potential for urban unrest," a Western diplomat said.

The issue of Kosovo remains a potential cause for unrest.

Was the the of the new bonus scheme the only cause for unrest at that time?

"We are so much more ready for civil unrest," said Sergeant.

His superiors were concerned, he says, about the potential for "civil unrest."

Officials seem to be preparing for new violence and unrest.

Watch out, a recipe for civil unrest on an unprecedented scale.