The Toronto teen wanted in the shooting death of another teen at a crowded after-prom party in Whitchurch-Stouffville last week has turned himself in, police said Thursday.

Jahdea Paterson, 18, was the subject of a Canada-wide warrant issued Wednesday by York Region police in the killing of 18-year-old Rizwaan Aboobakar Wadee during the party at an Airbnb property on Bloomington Rd. E., near Ninth Line.

Paterson surrendered to Halton Region police, and is charged with first-degree murder.

Police said the two youths arrested near the party on the night of the shooting face additional charges in connection to the death. The pair had been charged with firearms-related offences.

The 17-year-old boy now also faces a first-degree murder charge, while the 16-year-old boy has also been charged with accessory after the fact to murder.

During a news conference Thursday at York Region police headquarters, Insp. Thai Truong said police received a 911 call from a neighbour who suspected that there were two males breaking in to homes.

Police had said they were knocking on doors, looking for someone to call them a taxi.

“They were trying to get a taxi out of the area,” Truong said.

They were arrested after they were found in the bushes of a nearby home on Bethesda Rd. Truong said they were allegedly carrying firearms.

Wadee, 18, was found dead by York Region police shortly after 4 a.m.

York police said more than 400 students from across the region attended the party, but many had left by the time officers arrived. Det.-Sgt. Bob Papineau said he believes there were about 40 people left at the home at the time of the shooting.

Truong said the after-prom party was organized by teenagers from Bill Crothers Secondary School, a specialty public high school in Markham aimed to provide education to elite athletes.

He said Paterson and his friends arrived at the party around 12:30 a.m. Police believe that although Paterson wasn’t invited directly, people with him likely were.

Truong said he believes Wadee was shot about 20 minutes before police arrived on the scene.

Truong said he has no evidence to make him believe Paterson and Wadee knew each other prior to the party beginning.

Truong said police have received one photo or video from the party and they are looking for other people to turn in their images.

Party-goers are also asked to step forward and give statements about what they may have seen.

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“We’re looking to speak to anyone at the party,” he said.

Wadee was a student of Maple High School.

Paterson, a Toronto resident, is a former player in the Richmond Hill Soccer Club and prospect for the Canada Soccer youth program.

He debuted with the Canada program at an identification camp as a 15-year-old in 2016.

He also played for the Richmond Hill Raiders, including its Under-14 Ontario Player Development League team.

“I want to achieve playing for the Canadian national team when I’m older,” Paterson said in an April 2018 interview which appeared on the Richmond Hill club’s website to celebrate his selection to the Ontario provincial team.

“Hopefully, I will be able to set an example for younger kids and say I came from Richmond Hill Soccer Club.

“I think being named to the provincial team will help me get recognized and get to a higher level, like the Canadian national team.”

Investigators continue to seek witnesses with photos or video from the party.

Anyone with information is asked to contact the Homicide Unit at 1-866-876-5423 ext. 7865, or email the Homicide Unit at homicide@yrp.ca, or Crime Stoppers at 1-800-222-TIPS, or by leaving an anonymous tip online at www.1800222tips.com.

LQ With files from Tom Yun and Lisa Queen

JC John Cudmore is a breaking news and sports reporter for YorkRegion.com and its sister papers. Reach him via email: jcudmore@yrmg.com