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RIO DE JANEIRO (Reuters) - A gunman stormed a house party and killed at least 11 people and himself during New Year celebrations in the southeastern Brazilian city of Campinas late on Saturday.
Police in the state of São Paulo said the shooter is believed to have been angry over a separation from his former wife, who was among those killed. Local media reports said the couple's 8-year-old son also died.
A police spokesman could not confirm the identity or age of those killed or whether a child of the shooter, who also remains unidentified, was among the victims.
Local media reported that a total of 15 people had been shot and several remain in critical condition.
A neighbour interviewed by the Globo television network said that he and family members heard blasts about a quarter to midnight but did not immediately recognise it as gunfire, not New Year fireworks.
Only when one of those shot ran into their property, bleeding and asking for help, did they realise that someone had been shooting. State police said they were called to the scene at 12:40 a.m. local time.
Although Brazil struggles with high rates of crime and violence, mass shootings are uncommon. Gun deaths are frequent in heists, holdups and in confrontations among police, drug gangs and other criminals, but shooting sprees like those often seen in the United States are not prevalent.
Campinas, an industrial and university city of over 1 million residents, is located about 100 kilometres northwest of the city of São Paulo, Brazil's biggest metropolis.
(Reporting by Paulo Prada; Editing by Ruth Pitchford)