One teenager died after being stabbed near an Oshawa school Tuesday afternoon, while a second teen was seriously injured Tuesday night after being stabbed near a Mississauga elementary school.

Durham police said an ongoing dispute between two Oshawa teens sparked the fight that ended with a 16-year-old boy being stabbed to death in front of a crowd of students at a bus shelter Tuesday afternoon.

The victim, identified by friends as Mike McDonald, got into a fight with a fellow student from Monsignor Paul Dwyer Catholic High School while they waited for the bus at Rossland and Stevenson Rds., friends said.

Moments later he was stabbed in the chest and fell to the ground, said Kyle Roberts, 19, a former student who played football with him. “I saw him lying on the ground being worked on as they tried to resuscitate him.”

McDonald, known around the school as “Biggie,” was rushed to hospital where he was pronounced dead.

An 18-year-old was arrested in the vicinity within minutes, according to Dave Selby, spokesperson for Durham Regional Police Service. It was the region’s fourth homicide of the year.

“It was not a random event. There was a history, an ongoing dispute between the two,” Selby said. He did not know the nature of the disagreement.

The fight took place across the road from the school around 2:30 p.m. when students were leaving. Several people came to the victim’s aid and numerous witnesses from the crowded bus shelter were interviewed by police, Selby said. “There were multiple calls to 911.”

Several students said the fight was over “a girl and 10 bucks” but they didn’t know any more details.

The stabbing has rattled the school, where students described Biggie as a “big teddy bear” and a “sweetheart” who wasn’t inclined to violence.

The football team plans to wear their jerseys tomorrow to commemorate their dead teammate, said player Brandon Vig.

“He was an amazing football player, one of the best on the team,” Vig said. “Everyone liked him. He would stick up for his friends. His friends were everything to him.”

Hours after the tragedy, neighbours were still in shock as they watched investigators from the intersection.

“It’s really bad up here with all the fighting,” said Catherine Parsons, a long-time resident. “Every day there’s police cars in the plaza where the kids hang out. They need to put metal detectors in the school and stop this violence. A young life has just been needlessly taken.”

Meanwhile at the other end of the GTA, a 15-year-old boy was stabbed at a Mississauga school, Peel police said.

Const. Samantha Nulle said police were called to St. Gertrude Separate elementary school, located in the Mavis and Bristol Rds. area, around 5:15 p.m., where they found the injured teen in the parking lot of the school.

The boy was rushed by air ambulance to a trauma hospital in Toronto. He remained in serious but stable condition in hospital on Wednesday.

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Police do not believe the incident is related to the school because the victim is too old to be an elementary student.

Police are looking for three teenaged suspects who fled on bicycles.

With files from Jesse McLean and Torstar news service

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