Seven teenagers have been arrested over the stabbing deaths of 15-year-old Dau Akueng and 12-year-old Chol Achiek in Melbourne’s west.

Police have confirmed that a 19-year-old Thornhill Park man, a 19-year-old Caroline Springs man, an 18-year-old Wollert man, along with three 16-year-old boys and a 15-year-old boy, all from the north-west suburbs of Melbourne, were arrested on Friday morning after raids on homes by homicide squad detectives.

The seven teenagers are now being interviewed by police.

Dau and Chol were walking home from a basketball game on 6 September when they were allegedly attacked on separate streets in Cobblebank, in the city’s west, by masked assailants armed with machetes and long-edged weapons.

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At the time Victoria police Det Ins

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