CCTV image taken moments before the shooting
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Brazil police arrested after teen shooting caught on CCTV

Footage showing two teenagers being shot in Brazil has emerged, amid claims police did nothing to stop the killings.

The video shows the victims' final moments and also captures a police car nearby, which later drives off - apparently ignoring the shooting.

Eight officers have now been arrested.

From Rio de Janeiro, the BBC's Julia Carneiro reports.

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