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A teenage boy is fighting for life after being stabbed in the stomach in Perth's south
The 16-year old was dumped at Rockingham Hospital by two men on motorbikes.
He was transferred to Royal Perth Hospital where he is critical in the intensive care unit.
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Police say the trouble began around 9.40pm yesterday on Mortimer Road in Bertram where two 14-year-old boys were threatened with a knife by three men on motorbikes.
A scooter was stolen in the altercation.
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Two hours later, it appears the same group of males approached another three teenagers on Safety Bay Road in Baldivis.
A fight broke out and one of the teens was stabbed in the stomach with a knife.
Premier Roger Cook today hinted WA could soon have stop-and-search laws allowing officers to randomly scan people for weapons using wands, in a bid to combat knife crime.
Police are calling for CCTV and dash cam of those areas, as investigations continue.
