RIO DE JANEIRO – A gang of armed men roared into a bar in Belem in the north of the Brazilian state of Pará and opened the fire, killing six women and five men.
State officials would only confirm this "massacre" occurred, but did not disclose any details.
The police reported that seven armed men were involved in the attack, which wounded one person, according to the G1 News website.
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The news agency reported that the attackers arrived at the bar with a motorcycle and three cars.
At the end of March, the Federal Government sent National Guard troops to Belém for 90 days to strengthen security in the city.
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A spokeswoman for the state of Pará, Natalia Mello, said simply: "A massacre is confirmed."
Officials of state communications have answered the question Call set.
Pará military and civilian police also did not answer Call or reply to emails.
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The Associated Press has contributed to this report.
Frank Miles is a reporter and geopolitics editor. Military, Crime, Technology and Sports for FoxNews.com. His e-mail is Frank.Miles@foxnews.com.