At each clinic, hundreds of abortion rights advocates linked arms in a counterprotest, forming a human chain to prevent anti-abortion demonstrators from approaching the building.

Riot policemen sealed off a section of Panama's capital today to prevent anti-Government demonstrators from gathering for a protest rally.

The injunction also regulated noise levels outside of the clinic and prevented demonstrators from displaying images which could be seen from inside.

The police, however, prevented demonstrators from approaching the hotel where talks are being held, and also banned the sale of alcoholic beverages in nearby neighborhoods.

Police fired tear gas and tried to block some roads using armoured vehicles to prevent demonstrators from reaching the march.

This statute does not completely prevent demonstrators from getting their points heard.

The city argued that the ban on masks was an essential law enforcement tool that prevented demonstrators from concealing their faces.

Police are now stationed in the center of the city to prevent demonstrators from recongregating.

The establishment of a 700,000 strong network of junta supporters to prevent anti-junta demonstrators from allegedly inciting violence.

Daley also thought that one way to prevent demonstrators from coming to Chicago was to refuse to grant permits which would allow for people to protest legally.