A civil police fired into the air during a march of black women against racial discrimination in Brasilia, after any incidents with other demonstrators who promote military intervention.
EFE
The clash occurred between demonstrators outside Congress, where groups camped for weeks calling for the impeachment of President Dilma Rousseff left, with radical clothes they wear military fatigues and armed forces seek to take power.
"A civil police of the state of Maranhao (northeast) was taken to a police station for having made four shots", he told AFP a media advisor military security force.
Television pictures showed how a white man comes before several police and is arrested.
There were no serious injuries in the clashes between demonstrators recorded when the event came to a preceding Congress esplanade and passed the camp of the pro-military groups, where a giant inflatable doll with the figure of General Antonio Mourao stands, paragraph recently of his duties after criticizing Rousseff, as detailed daily O Globo.
Before the riots, some 10,000 people marched, according to the police for the rights of black women, many of them wearing traditional white clothes thread of Bahia, cornerstone of the culture of African origin in the South American country.
"In the days of slavery, we managed to liberate our families and now our voice is not heard in this country. No more psychological violence! Enough of physical violence! Enough of institutional violence! We are in Brasilia to enter a new phase of Brazilian history, "he told AFP Azuel and Santos, an activist for the rights of black women of 52 years.
More than half of the 204 million Brazilians are black or mulatto, poor and with considerably less than their white compatriots education.
2015 has been a busy year for Brazilian politics. Very early the president faced difficulties in building alliances in Congress to support a plan to redirect the economy, in recession since the second quarter, while shocking revelations of bribery and fraud in state Petrobras dotting the ruling Workers Party.
In this climate, opposition forces and civil society organizations filed requests for impeachment against Rousseff, accusing her of adultery public accounts, making abuse of power during the campaign that led to his re-election in October 2014 and have knowledge of diversions oil.