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USA: Off-duty police officer k
An off-duty police officer has killed six young people in a shooting rampage at a house in the US state of Wisconsin.
The attacker, 20-year-old Tyler Peterson, opened fire while the victims were eating pizza and watching movies in the small town of Crandon.
He was subsequently shot dead by police in a nearby town.
Peterson was a deputy sheriff and part-time police officer, but was not on duty at the time of the shootings.
The motive for the killings is unclear, but the mother of one 14-year-old victim said the suspect may have been a jealous boyfriend.
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