In order to prevent clashes, protest organizers formed a human chain to separate themselves from the security forces.

After the rally, the police opened fire to prevent clashes between rival crowds, killing two people.

Careers services also liaise with companies, to prevent clashes and help advertise the events.

Both sides agree to allow Indonesian monitors to prevent further clashes.

They also said they would install an emergency telephone line "to prevent accidental armed clashes."

For now, America should limit its role to trying to prevent further armed clashes.

"We believe the peaceful settlement of problems and paying attention to the people's demands can create grounds for preventing violent clashes."

They said the Government imposed emergency rules to prevent further clashes in the central African nation.

Some fights broke out between Government supporters and opponents, but hundreds of police officers intervened to prevent serious clashes.

The two groups were separated by the police who set up metal barriers to prevent clashes.