The incidents each occurred in Melton West about 8.30pm yesterday at areas about 2.7km aside.
Within the McDonald's carpark on the intersection of Coburns and Barries roads a 15-year-old Melton boy was stabbed within the abdomen.
He was rushed to hospital and with critical however non-life-threatening accidents.
Not distant, on the intersection of Station and Brooklyn roads in Melton South, a 15-year-old Kurunjang boy and a 17-year-old St Albans boy have been additionally stabbed of their stomachs.
They have been additionally rushed to hospital with critical however non-life-threatening accidents.
Police imagine the the 2 assaults have been linked.