The police held protests in several cities in Bolivia due to the re-election of the controversial President, President Evo Morales.
Mr. Morales, the first indigenous President of Bolivia, accused the opponents of trying to repeal him.
But the country’s defense minister said there was no plan to send troops to quell the “rebellion” of the police.
There have been 17 days of fatal protests against Mr. Morales, who was accused of manipulating last month's elections to secure a fourth term.
Mr. Morales, the longest-serving leader in Latin America, denied any wrongdoing and said he would not resign.
How much do we know about demonstrations?
The demonstrations on Friday included a large number of police officers for the first time, although the scale is not yet clear.
Initial reports showed that uniformed officers joined the demonstrators in La Paz, Sucre, Cochabamba and Santa Cruz where they clash before public relations.
Several uniformed officers asked Mr. Morales to resign when speaking to the local media, and said he would prevent him from turning Bolivia into a dictatorship like his allies in Cuba and Venezuela regime.
- Why are protesters appearing on the streets of the world?
In a tweet, President Morales
Secretary of Defense Javier Zabaleta called for calm in an interview with state television and said He believes that the police will "continue to perform their constitutional work to uphold the rule of law."
Why are people protesting?
Since the country’s presidential election on October 20, Bolivia has been plagued by protests, strikes and roadblocks.
At least Three people died during the clas.